72030680

素因数分解:

$2^3\times 5^1\times {\mathrm{1800767}}^1$

素因数の和:1800778

約数の個数: 16

約数和(自身を含む): 162069120

約数和(自身を除く): 90038440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1800767, 3601534, 7203068, 9003835, 14406136, 18007670, 36015340, 72030680]

約数ペア:

[(1, 72030680), (2, 36015340), (4, 18007670), (5, 14406136), (8, 9003835), (10, 7203068), (20, 3601534), (40, 1800767)]