42735640

素因数分解:

$2^3\times 5^1\times {\mathrm{509}}^1\times {\mathrm{2099}}^1$

素因数の和:2619

約数の個数: 32

約数和(自身を含む): 96390000

約数和(自身を除く): 53654360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 509, 1018, 2036, 2099, 2545, 4072, 4198, 5090, 8396, 10180, 10495, 16792, 20360, 20990, 41980, 83960, 1068391, 2136782, 4273564, 5341955, 8547128, 10683910, 21367820, 42735640]

約数ペア:

[(1, 42735640), (2, 21367820), (4, 10683910), (5, 8547128), (8, 5341955), (10, 4273564), (20, 2136782), (40, 1068391), (509, 83960), (1018, 41980), (2036, 20990), (2099, 20360), (2545, 16792), (4072, 10495), (4198, 10180), (5090, 8396)]