66185660

素因数分解:

$2^2\times 5^1\times {\mathrm{823}}^1\times {\mathrm{4021}}^1$

素因数の和:4853

約数の個数: 24

約数和(自身を含む): 139193376

約数和(自身を除く): 73007716

約数列:

[1, 2, 4, 5, 10, 20, 823, 1646, 3292, 4021, 4115, 8042, 8230, 16084, 16460, 20105, 40210, 80420, 3309283, 6618566, 13237132, 16546415, 33092830, 66185660]

約数ペア:

[(1, 66185660), (2, 33092830), (4, 16546415), (5, 13237132), (10, 6618566), (20, 3309283), (823, 80420), (1646, 40210), (3292, 20105), (4021, 16460), (4115, 16084), (8042, 8230)]