2605474720

素因数分解:

$2^5\times 5^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1\times {\mathrm{631}}^1$

素因数の和:974

約数の個数: 96

約数和(自身を含む): 6243785856

約数和(自身を除く): 3638311136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 131, 160, 197, 262, 394, 524, 631, 655, 788, 985, 1048, 1262, 1310, 1576, 1970, 2096, 2524, 2620, 3152, 3155, 3940, 4192, 5048, 5240, 6304, 6310, 7880, 10096, 10480, 12620, 15760, 20192, 20960, 25240, 25807, 31520, 50480, 51614, 82661, 100960, 103228, 124307, 129035, 165322, 206456, 248614, 258070, 330644, 412912, 413305, 497228, 516140, 621535, 661288, 825824, 826610, 994456, 1032280, 1243070, 1322576, 1653220, 1988912, 2064560, 2486140, 2645152, 3306440, 3977824, 4129120, 4972280, 6612880, 9944560, 13225760, 16284217, 19889120, 32568434, 65136868, 81421085, 130273736, 162842170, 260547472, 325684340, 521094944, 651368680, 1302737360, 2605474720]

約数ペア:

[(1, 2605474720), (2, 1302737360), (4, 651368680), (5, 521094944), (8, 325684340), (10, 260547472), (16, 162842170), (20, 130273736), (32, 81421085), (40, 65136868), (80, 32568434), (131, 19889120), (160, 16284217), (197, 13225760), (262, 9944560), (394, 6612880), (524, 4972280), (631, 4129120), (655, 3977824), (788, 3306440), (985, 2645152), (1048, 2486140), (1262, 2064560), (1310, 1988912), (1576, 1653220), (1970, 1322576), (2096, 1243070), (2524, 1032280), (2620, 994456), (3152, 826610), (3155, 825824), (3940, 661288), (4192, 621535), (5048, 516140), (5240, 497228), (6304, 413305), (6310, 412912), (7880, 330644), (10096, 258070), (10480, 248614), (12620, 206456), (15760, 165322), (20192, 129035), (20960, 124307), (25240, 103228), (25807, 100960), (31520, 82661), (50480, 51614)]