38321540

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{26987}}^1$

素因数の和:27067

約数の個数: 24

約数和(自身を含む): 81611712

約数和(自身を除く): 43290172

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 26987, 53974, 107948, 134935, 269870, 539740, 1916077, 3832154, 7664308, 9580385, 19160770, 38321540]

約数ペア:

[(1, 38321540), (2, 19160770), (4, 9580385), (5, 7664308), (10, 3832154), (20, 1916077), (71, 539740), (142, 269870), (284, 134935), (355, 107948), (710, 53974), (1420, 26987)]