15240440

素因数分解:

$2^3\times 5^1\times {\mathrm{381011}}^1$

素因数の和:381022

約数の個数: 16

約数和(自身を含む): 34291080

約数和(自身を除く): 19050640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 381011, 762022, 1524044, 1905055, 3048088, 3810110, 7620220, 15240440]

約数ペア:

[(1, 15240440), (2, 7620220), (4, 3810110), (5, 3048088), (8, 1905055), (10, 1524044), (20, 762022), (40, 381011)]