15855160

素因数分解:

$2^3\times 5^1\times {\mathrm{396379}}^1$

素因数の和:396390

約数の個数: 16

約数和(自身を含む): 35674200

約数和(自身を除く): 19819040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 396379, 792758, 1585516, 1981895, 3171032, 3963790, 7927580, 15855160]

約数ペア:

[(1, 15855160), (2, 7927580), (4, 3963790), (5, 3171032), (8, 1981895), (10, 1585516), (20, 792758), (40, 396379)]