87913160

素因数分解:

$2^3\times 5^1\times {\mathrm{1399}}^1\times {\mathrm{1571}}^1$

素因数の和:2981

約数の個数: 32

約数和(自身を含む): 198072000

約数和(自身を除く): 110158840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1399, 1571, 2798, 3142, 5596, 6284, 6995, 7855, 11192, 12568, 13990, 15710, 27980, 31420, 55960, 62840, 2197829, 4395658, 8791316, 10989145, 17582632, 21978290, 43956580, 87913160]

約数ペア:

[(1, 87913160), (2, 43956580), (4, 21978290), (5, 17582632), (8, 10989145), (10, 8791316), (20, 4395658), (40, 2197829), (1399, 62840), (1571, 55960), (2798, 31420), (3142, 27980), (5596, 15710), (6284, 13990), (6995, 12568), (7855, 11192)]