28709320

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{4817}}^1$

素因数の和:4977

約数の個数: 32

約数和(自身を含む): 65043000

約数和(自身を除く): 36333680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 4817, 5960, 9634, 19268, 24085, 38536, 48170, 96340, 192680, 717733, 1435466, 2870932, 3588665, 5741864, 7177330, 14354660, 28709320]

約数ペア:

[(1, 28709320), (2, 14354660), (4, 7177330), (5, 5741864), (8, 3588665), (10, 2870932), (20, 1435466), (40, 717733), (149, 192680), (298, 96340), (596, 48170), (745, 38536), (1192, 24085), (1490, 19268), (2980, 9634), (4817, 5960)]