8203375

素因数分解:

$5^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:148

約数の個数: 32

約数和(自身を含む): 11082240

約数和(自身を除く): 2878865

約数列:

[1, 5, 25, 29, 31, 73, 125, 145, 155, 365, 725, 775, 899, 1825, 2117, 2263, 3625, 3875, 4495, 9125, 10585, 11315, 22475, 52925, 56575, 65627, 112375, 264625, 282875, 328135, 1640675, 8203375]

約数ペア:

[(1, 8203375), (5, 1640675), (25, 328135), (29, 282875), (31, 264625), (73, 112375), (125, 65627), (145, 56575), (155, 52925), (365, 22475), (725, 11315), (775, 10585), (899, 9125), (1825, 4495), (2117, 3875), (2263, 3625)]