40753375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{809}}^1$

素因数の和:868

約数の個数: 32

約数和(自身を含む): 56609280

約数和(自身を除く): 15855905

約数列:

[1, 5, 13, 25, 31, 65, 125, 155, 325, 403, 775, 809, 1625, 2015, 3875, 4045, 10075, 10517, 20225, 25079, 50375, 52585, 101125, 125395, 262925, 326027, 626975, 1314625, 1630135, 3134875, 8150675, 40753375]

約数ペア:

[(1, 40753375), (5, 8150675), (13, 3134875), (25, 1630135), (31, 1314625), (65, 626975), (125, 326027), (155, 262925), (325, 125395), (403, 101125), (775, 52585), (809, 50375), (1625, 25079), (2015, 20225), (3875, 10517), (4045, 10075)]