64838450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{521}}^1$

素因数の和:683

約数の個数: 48

約数和(自身を含む): 128161440

約数和(自身を除く): 63322990

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 131, 190, 262, 475, 521, 655, 950, 1042, 1310, 2489, 2605, 3275, 4978, 5210, 6550, 9899, 12445, 13025, 19798, 24890, 26050, 49495, 62225, 68251, 98990, 124450, 136502, 247475, 341255, 494950, 682510, 1296769, 1706275, 2593538, 3412550, 6483845, 12967690, 32419225, 64838450]

約数ペア:

[(1, 64838450), (2, 32419225), (5, 12967690), (10, 6483845), (19, 3412550), (25, 2593538), (38, 1706275), (50, 1296769), (95, 682510), (131, 494950), (190, 341255), (262, 247475), (475, 136502), (521, 124450), (655, 98990), (950, 68251), (1042, 62225), (1310, 49495), (2489, 26050), (2605, 24890), (3275, 19798), (4978, 13025), (5210, 12445), (6550, 9899)]