31154320

素因数分解:

$2^4\times 5^1\times {\mathrm{151}}^1\times {\mathrm{2579}}^1$

素因数の和:2743

約数の個数: 40

約数和(自身を含む): 72941760

約数和(自身を除く): 41787440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 151, 302, 604, 755, 1208, 1510, 2416, 2579, 3020, 5158, 6040, 10316, 12080, 12895, 20632, 25790, 41264, 51580, 103160, 206320, 389429, 778858, 1557716, 1947145, 3115432, 3894290, 6230864, 7788580, 15577160, 31154320]

約数ペア:

[(1, 31154320), (2, 15577160), (4, 7788580), (5, 6230864), (8, 3894290), (10, 3115432), (16, 1947145), (20, 1557716), (40, 778858), (80, 389429), (151, 206320), (302, 103160), (604, 51580), (755, 41264), (1208, 25790), (1510, 20632), (2416, 12895), (2579, 12080), (3020, 10316), (5158, 6040)]