130005940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{209687}}^1$

素因数の和:209727

約数の個数: 24

約数和(自身を含む): 281820672

約数和(自身を除く): 151814732

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 209687, 419374, 838748, 1048435, 2096870, 4193740, 6500297, 13000594, 26001188, 32501485, 65002970, 130005940]

約数ペア:

[(1, 130005940), (2, 65002970), (4, 32501485), (5, 26001188), (10, 13000594), (20, 6500297), (31, 4193740), (62, 2096870), (124, 1048435), (155, 838748), (310, 419374), (620, 209687)]