8158160

素因数分解:

$2^4\times 5^1\times {\mathrm{101977}}^1$

素因数の和:101990

約数の個数: 20

約数和(自身を含む): 18967908

約数和(自身を除く): 10809748

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101977, 203954, 407908, 509885, 815816, 1019770, 1631632, 2039540, 4079080, 8158160]

約数ペア:

[(1, 8158160), (2, 4079080), (4, 2039540), (5, 1631632), (8, 1019770), (10, 815816), (16, 509885), (20, 407908), (40, 203954), (80, 101977)]