87115120

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{10177}}^1$

素因数の和:10297

約数の個数: 40

約数和(自身を含む): 204455664

約数和(自身を除く): 117340544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2140, 4280, 8560, 10177, 20354, 40708, 50885, 81416, 101770, 162832, 203540, 407080, 814160, 1088939, 2177878, 4355756, 5444695, 8711512, 10889390, 17423024, 21778780, 43557560, 87115120]

約数ペア:

[(1, 87115120), (2, 43557560), (4, 21778780), (5, 17423024), (8, 10889390), (10, 8711512), (16, 5444695), (20, 4355756), (40, 2177878), (80, 1088939), (107, 814160), (214, 407080), (428, 203540), (535, 162832), (856, 101770), (1070, 81416), (1712, 50885), (2140, 40708), (4280, 20354), (8560, 10177)]