87207740

素因数分解:

$2^2\times 5^1\times {\mathrm{797}}^1\times {\mathrm{5471}}^1$

素因数の和:6277

約数の個数: 24

約数和(自身を含む): 183399552

約数和(自身を除く): 96191812

約数列:

[1, 2, 4, 5, 10, 20, 797, 1594, 3188, 3985, 5471, 7970, 10942, 15940, 21884, 27355, 54710, 109420, 4360387, 8720774, 17441548, 21801935, 43603870, 87207740]

約数ペア:

[(1, 87207740), (2, 43603870), (4, 21801935), (5, 17441548), (10, 8720774), (20, 4360387), (797, 109420), (1594, 54710), (3188, 27355), (3985, 21884), (5471, 15940), (7970, 10942)]