15420440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{55073}}^1$

素因数の和:55091

約数の個数: 32

約数和(自身を含む): 39653280

約数和(自身を除く): 24232840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 55073, 110146, 220292, 275365, 385511, 440584, 550730, 771022, 1101460, 1542044, 1927555, 2202920, 3084088, 3855110, 7710220, 15420440]

約数ペア:

[(1, 15420440), (2, 7710220), (4, 3855110), (5, 3084088), (7, 2202920), (8, 1927555), (10, 1542044), (14, 1101460), (20, 771022), (28, 550730), (35, 440584), (40, 385511), (56, 275365), (70, 220292), (140, 110146), (280, 55073)]