12929440

素因数分解:

$2^5\times 5^1\times {\mathrm{80809}}^1$

素因数の和:80824

約数の個数: 24

約数和(自身を含む): 30546180

約数和(自身を除く): 17616740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 80809, 161618, 323236, 404045, 646472, 808090, 1292944, 1616180, 2585888, 3232360, 6464720, 12929440]

約数ペア:

[(1, 12929440), (2, 6464720), (4, 3232360), (5, 2585888), (8, 1616180), (10, 1292944), (16, 808090), (20, 646472), (32, 404045), (40, 323236), (80, 161618), (160, 80809)]