13920440

素因数分解:

$2^3\times 5^1\times {\mathrm{348011}}^1$

素因数の和:348022

約数の個数: 16

約数和(自身を含む): 31321080

約数和(自身を除く): 17400640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 348011, 696022, 1392044, 1740055, 2784088, 3480110, 6960220, 13920440]

約数ペア:

[(1, 13920440), (2, 6960220), (4, 3480110), (5, 2784088), (8, 1740055), (10, 1392044), (20, 696022), (40, 348011)]