7788009620

素因数分解:

$2^2\times 5^1\times {\mathrm{29101}}^1\times {\mathrm{13381}}^1$

素因数の和:42491

約数の個数: 24

約数和(自身を含む): 16356604488

約数和(自身を除く): 8568594868

約数列:

[1, 2, 4, 5, 10, 20, 13381, 26762, 29101, 53524, 58202, 66905, 116404, 133810, 145505, 267620, 291010, 582020, 389400481, 778800962, 1557601924, 1947002405, 3894004810, 7788009620]

約数ペア:

[(1, 7788009620), (2, 3894004810), (4, 1947002405), (5, 1557601924), (10, 778800962), (20, 389400481), (13381, 582020), (26762, 291010), (29101, 267620), (53524, 145505), (58202, 133810), (66905, 116404)]