87680125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{683}}^1$

素因数の和:790

約数の個数: 32

約数和(自身を含む): 119508480

約数和(自身を除く): 31828355

約数列:

[1, 5, 13, 25, 65, 79, 125, 325, 395, 683, 1027, 1625, 1975, 3415, 5135, 8879, 9875, 17075, 25675, 44395, 53957, 85375, 128375, 221975, 269785, 701441, 1109875, 1348925, 3507205, 6744625, 17536025, 87680125]

約数ペア:

[(1, 87680125), (5, 17536025), (13, 6744625), (25, 3507205), (65, 1348925), (79, 1109875), (125, 701441), (325, 269785), (395, 221975), (683, 128375), (1027, 85375), (1625, 53957), (1975, 44395), (3415, 25675), (5135, 17075), (8879, 9875)]