13439480

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4253}}^1$

素因数の和:4343

約数の個数: 32

約数和(自身を含む): 30628800

約数和(自身を除く): 17189320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 4253, 8506, 17012, 21265, 34024, 42530, 85060, 170120, 335987, 671974, 1343948, 1679935, 2687896, 3359870, 6719740, 13439480]

約数ペア:

[(1, 13439480), (2, 6719740), (4, 3359870), (5, 2687896), (8, 1679935), (10, 1343948), (20, 671974), (40, 335987), (79, 170120), (158, 85060), (316, 42530), (395, 34024), (632, 21265), (790, 17012), (1580, 8506), (3160, 4253)]