38807180

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{27329}}^1$

素因数の和:27409

約数の個数: 24

約数和(自身を含む): 82645920

約数和(自身を除く): 43838740

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 27329, 54658, 109316, 136645, 273290, 546580, 1940359, 3880718, 7761436, 9701795, 19403590, 38807180]

約数ペア:

[(1, 38807180), (2, 19403590), (4, 9701795), (5, 7761436), (10, 3880718), (20, 1940359), (71, 546580), (142, 273290), (284, 136645), (355, 109316), (710, 54658), (1420, 27329)]