129136177220

素因数分解:

$2^2\times 5^1\times {\mathrm{7247}}^1\times {\mathrm{890963}}^1$

素因数の和:898219

約数の個数: 24

約数和(自身を含む): 271223697024

約数和(自身を除く): 142087519804

約数列:

[1, 2, 4, 5, 10, 20, 7247, 14494, 28988, 36235, 72470, 144940, 890963, 1781926, 3563852, 4454815, 8909630, 17819260, 6456808861, 12913617722, 25827235444, 32284044305, 64568088610, 129136177220]

約数ペア:

[(1, 129136177220), (2, 64568088610), (4, 32284044305), (5, 25827235444), (10, 12913617722), (20, 6456808861), (7247, 17819260), (14494, 8909630), (28988, 4454815), (36235, 3563852), (72470, 1781926), (144940, 890963)]