42722875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{431}}^1$

素因数の和:520

約数の個数: 32

約数和(自身を含む): 58496256

約数和(自身を除く): 15773381

約数列:

[1, 5, 13, 25, 61, 65, 125, 305, 325, 431, 793, 1525, 1625, 2155, 3965, 5603, 7625, 10775, 19825, 26291, 28015, 53875, 99125, 131455, 140075, 341783, 657275, 700375, 1708915, 3286375, 8544575, 42722875]

約数ペア:

[(1, 42722875), (5, 8544575), (13, 3286375), (25, 1708915), (61, 700375), (65, 657275), (125, 341783), (305, 140075), (325, 131455), (431, 99125), (793, 53875), (1525, 28015), (1625, 26291), (2155, 19825), (3965, 10775), (5603, 7625)]