127631020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{8171}}^1$

素因数の和:8262

約数の個数: 48

約数和(自身を含む): 296545536

約数和(自身を除く): 168914516

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 3124, 3905, 7810, 8171, 15620, 16342, 32684, 40855, 81710, 89881, 163420, 179762, 359524, 449405, 580141, 898810, 1160282, 1797620, 2320564, 2900705, 5801410, 6381551, 11602820, 12763102, 25526204, 31907755, 63815510, 127631020]

約数ペア:

[(1, 127631020), (2, 63815510), (4, 31907755), (5, 25526204), (10, 12763102), (11, 11602820), (20, 6381551), (22, 5801410), (44, 2900705), (55, 2320564), (71, 1797620), (110, 1160282), (142, 898810), (220, 580141), (284, 449405), (355, 359524), (710, 179762), (781, 163420), (1420, 89881), (1562, 81710), (3124, 40855), (3905, 32684), (7810, 16342), (8171, 15620)]