87129460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{396043}}^1$

素因数の和:396063

約数の個数: 24

約数和(自身を含む): 199606176

約数和(自身を除く): 112476716

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 396043, 792086, 1584172, 1980215, 3960430, 4356473, 7920860, 8712946, 17425892, 21782365, 43564730, 87129460]

約数ペア:

[(1, 87129460), (2, 43564730), (4, 21782365), (5, 17425892), (10, 8712946), (11, 7920860), (20, 4356473), (22, 3960430), (44, 1980215), (55, 1584172), (110, 792086), (220, 396043)]