129854960

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{12781}}^1$

素因数の和:12921

約数の個数: 40

約数和(自身を含む): 304313856

約数和(自身を除く): 174458896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 10160, 12781, 25562, 51124, 63905, 102248, 127810, 204496, 255620, 511240, 1022480, 1623187, 3246374, 6492748, 8115935, 12985496, 16231870, 25970992, 32463740, 64927480, 129854960]

約数ペア:

[(1, 129854960), (2, 64927480), (4, 32463740), (5, 25970992), (8, 16231870), (10, 12985496), (16, 8115935), (20, 6492748), (40, 3246374), (80, 1623187), (127, 1022480), (254, 511240), (508, 255620), (635, 204496), (1016, 127810), (1270, 102248), (2032, 63905), (2540, 51124), (5080, 25562), (10160, 12781)]