2615722420

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{661}}^1\times {\mathrm{821}}^1$

素因数の和:1732

約数の個数: 48

約数和(自身を含む): 5530882896

約数和(自身を除く): 2915160476

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 661, 821, 964, 1205, 1322, 1642, 2410, 2644, 3284, 3305, 4105, 4820, 6610, 8210, 13220, 16420, 159301, 197861, 318602, 395722, 542681, 637204, 791444, 796505, 989305, 1085362, 1593010, 1978610, 2170724, 2713405, 3186020, 3957220, 5426810, 10853620, 130786121, 261572242, 523144484, 653930605, 1307861210, 2615722420]

約数ペア:

[(1, 2615722420), (2, 1307861210), (4, 653930605), (5, 523144484), (10, 261572242), (20, 130786121), (241, 10853620), (482, 5426810), (661, 3957220), (821, 3186020), (964, 2713405), (1205, 2170724), (1322, 1978610), (1642, 1593010), (2410, 1085362), (2644, 989305), (3284, 796505), (3305, 791444), (4105, 637204), (4820, 542681), (6610, 395722), (8210, 318602), (13220, 197861), (16420, 159301)]