127214960

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{22397}}^1$

素因数の和:22481

約数の個数: 40

約数和(自身を含む): 299954016

約数和(自身を除く): 172739056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 22397, 44794, 89588, 111985, 179176, 223970, 358352, 447940, 895880, 1590187, 1791760, 3180374, 6360748, 7950935, 12721496, 15901870, 25442992, 31803740, 63607480, 127214960]

約数ペア:

[(1, 127214960), (2, 63607480), (4, 31803740), (5, 25442992), (8, 15901870), (10, 12721496), (16, 7950935), (20, 6360748), (40, 3180374), (71, 1791760), (80, 1590187), (142, 895880), (284, 447940), (355, 358352), (568, 223970), (710, 179176), (1136, 111985), (1420, 89588), (2840, 44794), (5680, 22397)]