61882180

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{43579}}^1$

素因数の和:43659

約数の個数: 24

約数和(自身を含む): 131785920

約数和(自身を除く): 69903740

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 43579, 87158, 174316, 217895, 435790, 871580, 3094109, 6188218, 12376436, 15470545, 30941090, 61882180]

約数ペア:

[(1, 61882180), (2, 30941090), (4, 15470545), (5, 12376436), (10, 6188218), (20, 3094109), (71, 871580), (142, 435790), (284, 217895), (355, 174316), (710, 87158), (1420, 43579)]