8128880

素因数分解:

$2^4\times 5^1\times {\mathrm{101611}}^1$

素因数の和:101624

約数の個数: 20

約数和(自身を含む): 18899832

約数和(自身を除く): 10770952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101611, 203222, 406444, 508055, 812888, 1016110, 1625776, 2032220, 4064440, 8128880]

約数ペア:

[(1, 8128880), (2, 4064440), (4, 2032220), (5, 1625776), (8, 1016110), (10, 812888), (16, 508055), (20, 406444), (40, 203222), (80, 101611)]