79351120

素因数分解:

$2^4\times 5^1\times {\mathrm{991889}}^1$

素因数の和:991902

約数の個数: 20

約数和(自身を含む): 184491540

約数和(自身を除く): 105140420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 991889, 1983778, 3967556, 4959445, 7935112, 9918890, 15870224, 19837780, 39675560, 79351120]

約数ペア:

[(1, 79351120), (2, 39675560), (4, 19837780), (5, 15870224), (8, 9918890), (10, 7935112), (16, 4959445), (20, 3967556), (40, 1983778), (80, 991889)]