28624720

素因数分解:

$2^4\times 5^1\times {\mathrm{357809}}^1$

素因数の和:357822

約数の個数: 20

約数和(自身を含む): 66552660

約数和(自身を除く): 37927940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 357809, 715618, 1431236, 1789045, 2862472, 3578090, 5724944, 7156180, 14312360, 28624720]

約数ペア:

[(1, 28624720), (2, 14312360), (4, 7156180), (5, 5724944), (8, 3578090), (10, 2862472), (16, 1789045), (20, 1431236), (40, 715618), (80, 357809)]