80019080

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{18353}}^1$

素因数の和:18473

約数の個数: 32

約数和(自身を含む): 181704600

約数和(自身を除く): 101685520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 18353, 36706, 73412, 91765, 146824, 183530, 367060, 734120, 2000477, 4000954, 8001908, 10002385, 16003816, 20004770, 40009540, 80019080]

約数ペア:

[(1, 80019080), (2, 40009540), (4, 20004770), (5, 16003816), (8, 10002385), (10, 8001908), (20, 4000954), (40, 2000477), (109, 734120), (218, 367060), (436, 183530), (545, 146824), (872, 91765), (1090, 73412), (2180, 36706), (4360, 18353)]