9720080

素因数分解:

$2^4\times 5^1\times {\mathrm{121501}}^1$

素因数の和:121514

約数の個数: 20

約数和(自身を含む): 22599372

約数和(自身を除く): 12879292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 121501, 243002, 486004, 607505, 972008, 1215010, 1944016, 2430020, 4860040, 9720080]

約数ペア:

[(1, 9720080), (2, 4860040), (4, 2430020), (5, 1944016), (8, 1215010), (10, 972008), (16, 607505), (20, 486004), (40, 243002), (80, 121501)]