20578135040

素因数分解:

$2^{10}\times 5^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{619}}^1$

素因数の和:838

約数の個数: 176

約数和(自身を含む): 50928049920

約数和(自身を除く): 30349914880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 151, 160, 172, 215, 256, 302, 320, 344, 430, 512, 604, 619, 640, 688, 755, 860, 1024, 1208, 1238, 1280, 1376, 1510, 1720, 2416, 2476, 2560, 2752, 3020, 3095, 3440, 4832, 4952, 5120, 5504, 6040, 6190, 6493, 6880, 9664, 9904, 11008, 12080, 12380, 12986, 13760, 19328, 19808, 22016, 24160, 24760, 25972, 26617, 27520, 32465, 38656, 39616, 44032, 48320, 49520, 51944, 53234, 55040, 64930, 77312, 79232, 93469, 96640, 99040, 103888, 106468, 110080, 129860, 133085, 154624, 158464, 186938, 193280, 198080, 207776, 212936, 220160, 259720, 266170, 316928, 373876, 386560, 396160, 415552, 425872, 467345, 519440, 532340, 633856, 747752, 773120, 792320, 831104, 851744, 934690, 1038880, 1064680, 1495504, 1584640, 1662208, 1703488, 1869380, 2077760, 2129360, 2991008, 3169280, 3324416, 3406976, 3738760, 4019167, 4155520, 4258720, 5982016, 6648832, 6813952, 7477520, 8038334, 8311040, 8517440, 11964032, 13627904, 14955040, 16076668, 16622080, 17034880, 20095835, 23928064, 27255808, 29910080, 32153336, 33244160, 34069760, 40191670, 47856128, 59820160, 64306672, 68139520, 80383340, 95712256, 119640320, 128613344, 136279040, 160766680, 239280640, 257226688, 321533360, 478561280, 514453376, 643066720, 1028906752, 1286133440, 2057813504, 2572266880, 4115627008, 5144533760, 10289067520, 20578135040]

約数ペア:

[(1, 20578135040), (2, 10289067520), (4, 5144533760), (5, 4115627008), (8, 2572266880), (10, 2057813504), (16, 1286133440), (20, 1028906752), (32, 643066720), (40, 514453376), (43, 478561280), (64, 321533360), (80, 257226688), (86, 239280640), (128, 160766680), (151, 136279040), (160, 128613344), (172, 119640320), (215, 95712256), (256, 80383340), (302, 68139520), (320, 64306672), (344, 59820160), (430, 47856128), (512, 40191670), (604, 34069760), (619, 33244160), (640, 32153336), (688, 29910080), (755, 27255808), (860, 23928064), (1024, 20095835), (1208, 17034880), (1238, 16622080), (1280, 16076668), (1376, 14955040), (1510, 13627904), (1720, 11964032), (2416, 8517440), (2476, 8311040), (2560, 8038334), (2752, 7477520), (3020, 6813952), (3095, 6648832), (3440, 5982016), (4832, 4258720), (4952, 4155520), (5120, 4019167), (5504, 3738760), (6040, 3406976), (6190, 3324416), (6493, 3169280), (6880, 2991008), (9664, 2129360), (9904, 2077760), (11008, 1869380), (12080, 1703488), (12380, 1662208), (12986, 1584640), (13760, 1495504), (19328, 1064680), (19808, 1038880), (22016, 934690), (24160, 851744), (24760, 831104), (25972, 792320), (26617, 773120), (27520, 747752), (32465, 633856), (38656, 532340), (39616, 519440), (44032, 467345), (48320, 425872), (49520, 415552), (51944, 396160), (53234, 386560), (55040, 373876), (64930, 316928), (77312, 266170), (79232, 259720), (93469, 220160), (96640, 212936), (99040, 207776), (103888, 198080), (106468, 193280), (110080, 186938), (129860, 158464), (133085, 154624)]