40393160

素因数分解:

$2^3\times 5^1\times {\mathrm{991}}^1\times {\mathrm{1019}}^1$

素因数の和:2021

約数の個数: 32

約数和(自身を含む): 91065600

約数和(自身を除く): 50672440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 991, 1019, 1982, 2038, 3964, 4076, 4955, 5095, 7928, 8152, 9910, 10190, 19820, 20380, 39640, 40760, 1009829, 2019658, 4039316, 5049145, 8078632, 10098290, 20196580, 40393160]

約数ペア:

[(1, 40393160), (2, 20196580), (4, 10098290), (5, 8078632), (8, 5049145), (10, 4039316), (20, 2019658), (40, 1009829), (991, 40760), (1019, 39640), (1982, 20380), (2038, 19820), (3964, 10190), (4076, 9910), (4955, 8152), (5095, 7928)]