4384455940

素因数分解:

$2^2\times 5^1\times {\mathrm{219222797}}^1$

素因数の和:219222806

約数の個数: 12

約数和(自身を含む): 9207357516

約数和(自身を除く): 4822901576

約数列:

[1, 2, 4, 5, 10, 20, 219222797, 438445594, 876891188, 1096113985, 2192227970, 4384455940]

約数ペア:

[(1, 4384455940), (2, 2192227970), (4, 1096113985), (5, 876891188), (10, 438445594), (20, 219222797)]