51891620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{235871}}^1$

素因数の和:235891

約数の個数: 24

約数和(自身を含む): 118879488

約数和(自身を除く): 66987868

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 235871, 471742, 943484, 1179355, 2358710, 2594581, 4717420, 5189162, 10378324, 12972905, 25945810, 51891620]

約数ペア:

[(1, 51891620), (2, 25945810), (4, 12972905), (5, 10378324), (10, 5189162), (11, 4717420), (20, 2594581), (22, 2358710), (44, 1179355), (55, 943484), (110, 471742), (220, 235871)]