15757940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1747}}^1$

素因数の和:1808

約数の個数: 48

約数和(自身を含む): 37001664

約数和(自身を除く): 21243724

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1747, 1804, 2255, 3494, 4510, 6988, 8735, 9020, 17470, 19217, 34940, 38434, 71627, 76868, 96085, 143254, 192170, 286508, 358135, 384340, 716270, 787897, 1432540, 1575794, 3151588, 3939485, 7878970, 15757940]

約数ペア:

[(1, 15757940), (2, 7878970), (4, 3939485), (5, 3151588), (10, 1575794), (11, 1432540), (20, 787897), (22, 716270), (41, 384340), (44, 358135), (55, 286508), (82, 192170), (110, 143254), (164, 96085), (205, 76868), (220, 71627), (410, 38434), (451, 34940), (820, 19217), (902, 17470), (1747, 9020), (1804, 8735), (2255, 6988), (3494, 4510)]