3219820

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{809}}^1$

素因数の和:1017

約数の個数: 24

約数和(自身を含む): 6804000

約数和(自身を除く): 3584180

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 809, 995, 1618, 1990, 3236, 3980, 4045, 8090, 16180, 160991, 321982, 643964, 804955, 1609910, 3219820]

約数ペア:

[(1, 3219820), (2, 1609910), (4, 804955), (5, 643964), (10, 321982), (20, 160991), (199, 16180), (398, 8090), (796, 4045), (809, 3980), (995, 3236), (1618, 1990)]