2653040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2551}}^1$

素因数の和:2577

約数の個数: 40

約数和(自身を含む): 6645408

約数和(自身を除く): 3992368

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 2551, 5102, 10204, 12755, 20408, 25510, 33163, 40816, 51020, 66326, 102040, 132652, 165815, 204080, 265304, 331630, 530608, 663260, 1326520, 2653040]

約数ペア:

[(1, 2653040), (2, 1326520), (4, 663260), (5, 530608), (8, 331630), (10, 265304), (13, 204080), (16, 165815), (20, 132652), (26, 102040), (40, 66326), (52, 51020), (65, 40816), (80, 33163), (104, 25510), (130, 20408), (208, 12755), (260, 10204), (520, 5102), (1040, 2551)]