28795640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37889}}^1$

素因数の和:37919

約数の個数: 32

約数和(自身を含む): 68202000

約数和(自身を除く): 39406360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 37889, 75778, 151556, 189445, 303112, 378890, 719891, 757780, 1439782, 1515560, 2879564, 3599455, 5759128, 7198910, 14397820, 28795640]

約数ペア:

[(1, 28795640), (2, 14397820), (4, 7198910), (5, 5759128), (8, 3599455), (10, 2879564), (19, 1515560), (20, 1439782), (38, 757780), (40, 719891), (76, 378890), (95, 303112), (152, 189445), (190, 151556), (380, 75778), (760, 37889)]