156920080

素因数分解:

$2^4\times 5^1\times {\mathrm{1961501}}^1$

素因数の和:1961514

約数の個数: 20

約数和(自身を含む): 364839372

約数和(自身を除く): 207919292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1961501, 3923002, 7846004, 9807505, 15692008, 19615010, 31384016, 39230020, 78460040, 156920080]

約数ペア:

[(1, 156920080), (2, 78460040), (4, 39230020), (5, 31384016), (8, 19615010), (10, 15692008), (16, 9807505), (20, 7846004), (40, 3923002), (80, 1961501)]