55878875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{251}}^1$

素因数の和:416

約数の個数: 32

約数和(自身を含む): 75950784

約数和(自身を除く): 20071909

約数列:

[1, 5, 13, 25, 65, 125, 137, 251, 325, 685, 1255, 1625, 1781, 3263, 3425, 6275, 8905, 16315, 17125, 31375, 34387, 44525, 81575, 171935, 222625, 407875, 447031, 859675, 2235155, 4298375, 11175775, 55878875]

約数ペア:

[(1, 55878875), (5, 11175775), (13, 4298375), (25, 2235155), (65, 859675), (125, 447031), (137, 407875), (251, 222625), (325, 171935), (685, 81575), (1255, 44525), (1625, 34387), (1781, 31375), (3263, 17125), (3425, 16315), (6275, 8905)]