205810880

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{991}}^1$

素因数の和:1078

約数の個数: 112

約数和(自身を含む): 544250880

約数和(自身を除く): 338440000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 59, 64, 80, 88, 110, 118, 160, 176, 220, 236, 295, 320, 352, 440, 472, 590, 649, 704, 880, 944, 991, 1180, 1298, 1760, 1888, 1982, 2360, 2596, 3245, 3520, 3776, 3964, 4720, 4955, 5192, 6490, 7928, 9440, 9910, 10384, 10901, 12980, 15856, 18880, 19820, 20768, 21802, 25960, 31712, 39640, 41536, 43604, 51920, 54505, 58469, 63424, 79280, 87208, 103840, 109010, 116938, 158560, 174416, 207680, 218020, 233876, 292345, 317120, 348832, 436040, 467752, 584690, 643159, 697664, 872080, 935504, 1169380, 1286318, 1744160, 1871008, 2338760, 2572636, 3215795, 3488320, 3742016, 4677520, 5145272, 6431590, 9355040, 10290544, 12863180, 18710080, 20581088, 25726360, 41162176, 51452720, 102905440, 205810880]

約数ペア:

[(1, 205810880), (2, 102905440), (4, 51452720), (5, 41162176), (8, 25726360), (10, 20581088), (11, 18710080), (16, 12863180), (20, 10290544), (22, 9355040), (32, 6431590), (40, 5145272), (44, 4677520), (55, 3742016), (59, 3488320), (64, 3215795), (80, 2572636), (88, 2338760), (110, 1871008), (118, 1744160), (160, 1286318), (176, 1169380), (220, 935504), (236, 872080), (295, 697664), (320, 643159), (352, 584690), (440, 467752), (472, 436040), (590, 348832), (649, 317120), (704, 292345), (880, 233876), (944, 218020), (991, 207680), (1180, 174416), (1298, 158560), (1760, 116938), (1888, 109010), (1982, 103840), (2360, 87208), (2596, 79280), (3245, 63424), (3520, 58469), (3776, 54505), (3964, 51920), (4720, 43604), (4955, 41536), (5192, 39640), (6490, 31712), (7928, 25960), (9440, 21802), (9910, 20768), (10384, 19820), (10901, 18880), (12980, 15856)]