656242540

素因数分解:

$2^2\times 5^1\times {\mathrm{1129}}^1\times {\mathrm{29063}}^1$

素因数の和:30201

約数の個数: 24

約数和(自身を含む): 1379377440

約数和(自身を除く): 723134900

約数列:

[1, 2, 4, 5, 10, 20, 1129, 2258, 4516, 5645, 11290, 22580, 29063, 58126, 116252, 145315, 290630, 581260, 32812127, 65624254, 131248508, 164060635, 328121270, 656242540]

約数ペア:

[(1, 656242540), (2, 328121270), (4, 164060635), (5, 131248508), (10, 65624254), (20, 32812127), (1129, 581260), (2258, 290630), (4516, 145315), (5645, 116252), (11290, 58126), (22580, 29063)]