12712540

素因数分解:

$2^2\times 5^1\times {\mathrm{563}}^1\times {\mathrm{1129}}^1$

素因数の和:1701

約数の個数: 24

約数和(自身を含む): 26767440

約数和(自身を除く): 14054900

約数列:

[1, 2, 4, 5, 10, 20, 563, 1126, 1129, 2252, 2258, 2815, 4516, 5630, 5645, 11260, 11290, 22580, 635627, 1271254, 2542508, 3178135, 6356270, 12712540]

約数ペア:

[(1, 12712540), (2, 6356270), (4, 3178135), (5, 2542508), (10, 1271254), (20, 635627), (563, 22580), (1126, 11290), (1129, 11260), (2252, 5645), (2258, 5630), (2815, 4516)]