1245777620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{577}}^1\times {\mathrm{2633}}^1$

素因数の和:3260

約数の個数: 48

約数和(自身を含む): 2685605328

約数和(自身を除く): 1439827708

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 577, 820, 1154, 2308, 2633, 2885, 5266, 5770, 10532, 11540, 13165, 23657, 26330, 47314, 52660, 94628, 107953, 118285, 215906, 236570, 431812, 473140, 539765, 1079530, 1519241, 2159060, 3038482, 6076964, 7596205, 15192410, 30384820, 62288881, 124577762, 249155524, 311444405, 622888810, 1245777620]

約数ペア:

[(1, 1245777620), (2, 622888810), (4, 311444405), (5, 249155524), (10, 124577762), (20, 62288881), (41, 30384820), (82, 15192410), (164, 7596205), (205, 6076964), (410, 3038482), (577, 2159060), (820, 1519241), (1154, 1079530), (2308, 539765), (2633, 473140), (2885, 431812), (5266, 236570), (5770, 215906), (10532, 118285), (11540, 107953), (13165, 94628), (23657, 52660), (26330, 47314)]