128465180

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{56843}}^1$

素因数の和:56965

約数の個数: 24

約数和(自身を含む): 272169072

約数和(自身を除く): 143703892

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 56843, 113686, 227372, 284215, 568430, 1136860, 6423259, 12846518, 25693036, 32116295, 64232590, 128465180]

約数ペア:

[(1, 128465180), (2, 64232590), (4, 32116295), (5, 25693036), (10, 12846518), (20, 6423259), (113, 1136860), (226, 568430), (452, 284215), (565, 227372), (1130, 113686), (2260, 56843)]