79428560

素因数分解:

$2^4\times 5^1\times {\mathrm{992857}}^1$

素因数の和:992870

約数の個数: 20

約数和(自身を含む): 184671588

約数和(自身を除く): 105243028

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 992857, 1985714, 3971428, 4964285, 7942856, 9928570, 15885712, 19857140, 39714280, 79428560]

約数ペア:

[(1, 79428560), (2, 39714280), (4, 19857140), (5, 15885712), (8, 9928570), (10, 7942856), (16, 4964285), (20, 3971428), (40, 1985714), (80, 992857)]