5781820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{641}}^1$

素因数の和:702

約数の個数: 48

約数和(自身を含む): 13589856

約数和(自身を除く): 7808036

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 641, 820, 902, 1282, 1804, 2255, 2564, 3205, 4510, 6410, 7051, 9020, 12820, 14102, 26281, 28204, 35255, 52562, 70510, 105124, 131405, 141020, 262810, 289091, 525620, 578182, 1156364, 1445455, 2890910, 5781820]

約数ペア:

[(1, 5781820), (2, 2890910), (4, 1445455), (5, 1156364), (10, 578182), (11, 525620), (20, 289091), (22, 262810), (41, 141020), (44, 131405), (55, 105124), (82, 70510), (110, 52562), (164, 35255), (205, 28204), (220, 26281), (410, 14102), (451, 12820), (641, 9020), (820, 7051), (902, 6410), (1282, 4510), (1804, 3205), (2255, 2564)]