9731980

素因数分解:

$2^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1129}}^1$

素因数の和:1569

約数の個数: 24

約数和(自身を含む): 20502720

約数和(自身を除く): 10770740

約数列:

[1, 2, 4, 5, 10, 20, 431, 862, 1129, 1724, 2155, 2258, 4310, 4516, 5645, 8620, 11290, 22580, 486599, 973198, 1946396, 2432995, 4865990, 9731980]

約数ペア:

[(1, 9731980), (2, 4865990), (4, 2432995), (5, 1946396), (10, 973198), (20, 486599), (431, 22580), (862, 11290), (1129, 8620), (1724, 5645), (2155, 4516), (2258, 4310)]