13816360

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3881}}^1$

素因数の和:3981

約数の個数: 32

約数和(自身を含む): 31444200

約数和(自身を除く): 17627840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 3881, 7762, 15524, 19405, 31048, 38810, 77620, 155240, 345409, 690818, 1381636, 1727045, 2763272, 3454090, 6908180, 13816360]

約数ペア:

[(1, 13816360), (2, 6908180), (4, 3454090), (5, 2763272), (8, 1727045), (10, 1381636), (20, 690818), (40, 345409), (89, 155240), (178, 77620), (356, 38810), (445, 31048), (712, 19405), (890, 15524), (1780, 7762), (3560, 3881)]