315960080

素因数分解:

$2^4\times 5^1\times {\mathrm{3949501}}^1$

素因数の和:3949514

約数の個数: 20

約数和(自身を含む): 734607372

約数和(自身を除く): 418647292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3949501, 7899002, 15798004, 19747505, 31596008, 39495010, 63192016, 78990020, 157980040, 315960080]

約数ペア:

[(1, 315960080), (2, 157980040), (4, 78990020), (5, 63192016), (8, 39495010), (10, 31596008), (16, 19747505), (20, 15798004), (40, 7899002), (80, 3949501)]