127008880

素因数分解:

$2^4\times 5^1\times {\mathrm{1587611}}^1$

素因数の和:1587624

約数の個数: 20

約数和(自身を含む): 295295832

約数和(自身を除く): 168286952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1587611, 3175222, 6350444, 7938055, 12700888, 15876110, 25401776, 31752220, 63504440, 127008880]

約数ペア:

[(1, 127008880), (2, 63504440), (4, 31752220), (5, 25401776), (8, 15876110), (10, 12700888), (16, 7938055), (20, 6350444), (40, 3175222), (80, 1587611)]