31319620

素因数分解:

$2^2\times 5^1\times {\mathrm{829}}^1\times {\mathrm{1889}}^1$

素因数の和:2727

約数の個数: 24

約数和(自身を含む): 65885400

約数和(自身を除く): 34565780

約数列:

[1, 2, 4, 5, 10, 20, 829, 1658, 1889, 3316, 3778, 4145, 7556, 8290, 9445, 16580, 18890, 37780, 1565981, 3131962, 6263924, 7829905, 15659810, 31319620]

約数ペア:

[(1, 31319620), (2, 15659810), (4, 7829905), (5, 6263924), (10, 3131962), (20, 1565981), (829, 37780), (1658, 18890), (1889, 16580), (3316, 9445), (3778, 8290), (4145, 7556)]