3220640

素因数分解:

$2^5\times 5^1\times {\mathrm{20129}}^1$

素因数の和:20144

約数の個数: 24

約数和(自身を含む): 7609140

約数和(自身を除く): 4388500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 20129, 40258, 80516, 100645, 161032, 201290, 322064, 402580, 644128, 805160, 1610320, 3220640]

約数ペア:

[(1, 3220640), (2, 1610320), (4, 805160), (5, 644128), (8, 402580), (10, 322064), (16, 201290), (20, 161032), (32, 100645), (40, 80516), (80, 40258), (160, 20129)]