9139640

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{7879}}^1$

素因数の和:7919

約数の個数: 32

約数和(自身を含む): 21276000

約数和(自身を除く): 12136360

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 7879, 15758, 31516, 39395, 63032, 78790, 157580, 228491, 315160, 456982, 913964, 1142455, 1827928, 2284910, 4569820, 9139640]

約数ペア:

[(1, 9139640), (2, 4569820), (4, 2284910), (5, 1827928), (8, 1142455), (10, 913964), (20, 456982), (29, 315160), (40, 228491), (58, 157580), (116, 78790), (145, 63032), (232, 39395), (290, 31516), (580, 15758), (1160, 7879)]