86957420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{395261}}^1$

素因数の和:395281

約数の個数: 24

約数和(自身を含む): 199212048

約数和(自身を除く): 112254628

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 395261, 790522, 1581044, 1976305, 3952610, 4347871, 7905220, 8695742, 17391484, 21739355, 43478710, 86957420]

約数ペア:

[(1, 86957420), (2, 43478710), (4, 21739355), (5, 17391484), (10, 8695742), (11, 7905220), (20, 4347871), (22, 3952610), (44, 1976305), (55, 1581044), (110, 790522), (220, 395261)]