82666280

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{18289}}^1$

素因数の和:18413

約数の個数: 32

約数和(自身を含む): 187655400

約数和(自身を除く): 104989120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 18289, 36578, 73156, 91445, 146312, 182890, 365780, 731560, 2066657, 4133314, 8266628, 10333285, 16533256, 20666570, 41333140, 82666280]

約数ペア:

[(1, 82666280), (2, 41333140), (4, 20666570), (5, 16533256), (8, 10333285), (10, 8266628), (20, 4133314), (40, 2066657), (113, 731560), (226, 365780), (452, 182890), (565, 146312), (904, 91445), (1130, 73156), (2260, 36578), (4520, 18289)]