64758040

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{14327}}^1$

素因数の和:14451

約数の個数: 32

約数和(自身を含む): 147005280

約数和(自身を除く): 82247240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 14327, 28654, 57308, 71635, 114616, 143270, 286540, 573080, 1618951, 3237902, 6475804, 8094755, 12951608, 16189510, 32379020, 64758040]

約数ペア:

[(1, 64758040), (2, 32379020), (4, 16189510), (5, 12951608), (8, 8094755), (10, 6475804), (20, 3237902), (40, 1618951), (113, 573080), (226, 286540), (452, 143270), (565, 114616), (904, 71635), (1130, 57308), (2260, 28654), (4520, 14327)]