30811625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{283}}^1$

素因数の和:378

約数の個数: 32

約数和(自身を含む): 42177408

約数和(自身を除く): 11365783

約数列:

[1, 5, 13, 25, 65, 67, 125, 283, 325, 335, 871, 1415, 1625, 1675, 3679, 4355, 7075, 8375, 18395, 18961, 21775, 35375, 91975, 94805, 108875, 246493, 459875, 474025, 1232465, 2370125, 6162325, 30811625]

約数ペア:

[(1, 30811625), (5, 6162325), (13, 2370125), (25, 1232465), (65, 474025), (67, 459875), (125, 246493), (283, 108875), (325, 94805), (335, 91975), (871, 35375), (1415, 21775), (1625, 18961), (1675, 18395), (3679, 8375), (4355, 7075)]