626924260

素因数分解:

$2^2\times 5^1\times {\mathrm{4397}}^1\times {\mathrm{7129}}^1$

素因数の和:11535

約数の個数: 24

約数和(自身を含む): 1317025080

約数和(自身を除く): 690100820

約数列:

[1, 2, 4, 5, 10, 20, 4397, 7129, 8794, 14258, 17588, 21985, 28516, 35645, 43970, 71290, 87940, 142580, 31346213, 62692426, 125384852, 156731065, 313462130, 626924260]

約数ペア:

[(1, 626924260), (2, 313462130), (4, 156731065), (5, 125384852), (10, 62692426), (20, 31346213), (4397, 142580), (7129, 87940), (8794, 71290), (14258, 43970), (17588, 35645), (21985, 28516)]