13989940

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1579}}^1$

素因数の和:2031

約数の個数: 24

約数和(自身を含む): 29463840

約数和(自身を除く): 15473900

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1579, 1772, 2215, 3158, 4430, 6316, 7895, 8860, 15790, 31580, 699497, 1398994, 2797988, 3497485, 6994970, 13989940]

約数ペア:

[(1, 13989940), (2, 6994970), (4, 3497485), (5, 2797988), (10, 1398994), (20, 699497), (443, 31580), (886, 15790), (1579, 8860), (1772, 7895), (2215, 6316), (3158, 4430)]