9820640

素因数分解:

$2^5\times 5^1\times {\mathrm{61379}}^1$

素因数の和:61394

約数の個数: 24

約数和(自身を含む): 23201640

約数和(自身を除く): 13381000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 61379, 122758, 245516, 306895, 491032, 613790, 982064, 1227580, 1964128, 2455160, 4910320, 9820640]

約数ペア:

[(1, 9820640), (2, 4910320), (4, 2455160), (5, 1964128), (8, 1227580), (10, 982064), (16, 613790), (20, 491032), (32, 306895), (40, 245516), (80, 122758), (160, 61379)]