51231940

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{22669}}^1$

素因数の和:22791

約数の個数: 24

約数和(自身を含む): 108543960

約数和(自身を除く): 57312020

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 22669, 45338, 90676, 113345, 226690, 453380, 2561597, 5123194, 10246388, 12807985, 25615970, 51231940]

約数ペア:

[(1, 51231940), (2, 25615970), (4, 12807985), (5, 10246388), (10, 5123194), (20, 2561597), (113, 453380), (226, 226690), (452, 113345), (565, 90676), (1130, 45338), (2260, 22669)]