39770180

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{25171}}^1$

素因数の和:25259

約数の個数: 24

約数和(自身を含む): 84577920

約数和(自身を除く): 44807740

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 25171, 50342, 100684, 125855, 251710, 503420, 1988509, 3977018, 7954036, 9942545, 19885090, 39770180]

約数ペア:

[(1, 39770180), (2, 19885090), (4, 9942545), (5, 7954036), (10, 3977018), (20, 1988509), (79, 503420), (158, 251710), (316, 125855), (395, 100684), (790, 50342), (1580, 25171)]