72842360

素因数分解:

$2^3\times 5^1\times {\mathrm{809}}^1\times {\mathrm{2251}}^1$

素因数の和:3071

約数の個数: 32

約数和(自身を含む): 164170800

約数和(自身を除く): 91328440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 809, 1618, 2251, 3236, 4045, 4502, 6472, 8090, 9004, 11255, 16180, 18008, 22510, 32360, 45020, 90040, 1821059, 3642118, 7284236, 9105295, 14568472, 18210590, 36421180, 72842360]

約数ペア:

[(1, 72842360), (2, 36421180), (4, 18210590), (5, 14568472), (8, 9105295), (10, 7284236), (20, 3642118), (40, 1821059), (809, 90040), (1618, 45020), (2251, 32360), (3236, 22510), (4045, 18008), (4502, 16180), (6472, 11255), (8090, 9004)]