83881820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{8867}}^1$

素因数の和:8930

約数の個数: 48

約数和(自身を含む): 196656768

約数和(自身を除く): 112774948

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2365, 4730, 8867, 9460, 17734, 35468, 44335, 88670, 97537, 177340, 195074, 381281, 390148, 487685, 762562, 975370, 1525124, 1906405, 1950740, 3812810, 4194091, 7625620, 8388182, 16776364, 20970455, 41940910, 83881820]

約数ペア:

[(1, 83881820), (2, 41940910), (4, 20970455), (5, 16776364), (10, 8388182), (11, 7625620), (20, 4194091), (22, 3812810), (43, 1950740), (44, 1906405), (55, 1525124), (86, 975370), (110, 762562), (172, 487685), (215, 390148), (220, 381281), (430, 195074), (473, 177340), (860, 97537), (946, 88670), (1892, 44335), (2365, 35468), (4730, 17734), (8867, 9460)]