25704080

素因数分解:

$2^4\times 5^1\times {\mathrm{321301}}^1$

素因数の和:321314

約数の個数: 20

約数和(自身を含む): 59762172

約数和(自身を除く): 34058092

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 321301, 642602, 1285204, 1606505, 2570408, 3213010, 5140816, 6426020, 12852040, 25704080]

約数ペア:

[(1, 25704080), (2, 12852040), (4, 6426020), (5, 5140816), (8, 3213010), (10, 2570408), (16, 1606505), (20, 1285204), (40, 642602), (80, 321301)]