9931940

素因数分解:

$2^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{787}}^1$

素因数の和:1427

約数の個数: 24

約数和(自身を含む): 20916672

約数和(自身を除く): 10984732

約数列:

[1, 2, 4, 5, 10, 20, 631, 787, 1262, 1574, 2524, 3148, 3155, 3935, 6310, 7870, 12620, 15740, 496597, 993194, 1986388, 2482985, 4965970, 9931940]

約数ペア:

[(1, 9931940), (2, 4965970), (4, 2482985), (5, 1986388), (10, 993194), (20, 496597), (631, 15740), (787, 12620), (1262, 7870), (1574, 6310), (2524, 3935), (3148, 3155)]