25666055

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:231

約数の個数: 32

約数和(自身を含む): 34045440

約数和(自身を除く): 8379385

約数列:

[1, 5, 19, 43, 61, 95, 103, 215, 305, 515, 817, 1159, 1957, 2623, 4085, 4429, 5795, 6283, 9785, 13115, 22145, 31415, 49837, 84151, 119377, 249185, 270169, 420755, 596885, 1350845, 5133211, 25666055]

約数ペア:

[(1, 25666055), (5, 5133211), (19, 1350845), (43, 596885), (61, 420755), (95, 270169), (103, 249185), (215, 119377), (305, 84151), (515, 49837), (817, 31415), (1159, 22145), (1957, 13115), (2623, 9785), (4085, 6283), (4429, 5795)]