25320080

素因数分解:

$2^4\times 5^1\times {\mathrm{316501}}^1$

素因数の和:316514

約数の個数: 20

約数和(自身を含む): 58869372

約数和(自身を除く): 33549292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 316501, 633002, 1266004, 1582505, 2532008, 3165010, 5064016, 6330020, 12660040, 25320080]

約数ペア:

[(1, 25320080), (2, 12660040), (4, 6330020), (5, 5064016), (8, 3165010), (10, 2532008), (16, 1582505), (20, 1266004), (40, 633002), (80, 316501)]