64651775

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1039}}^1$

素因数の和:1199

約数の個数: 24

約数和(自身を含む): 85113600

約数和(自身を除く): 20461825

約数列:

[1, 5, 19, 25, 95, 131, 475, 655, 1039, 2489, 3275, 5195, 12445, 19741, 25975, 62225, 98705, 136109, 493525, 680545, 2586071, 3402725, 12930355, 64651775]

約数ペア:

[(1, 64651775), (5, 12930355), (19, 3402725), (25, 2586071), (95, 680545), (131, 493525), (475, 136109), (655, 98705), (1039, 62225), (2489, 25975), (3275, 19741), (5195, 12445)]