3920720

素因数分解:

$2^4\times 5^1\times {\mathrm{49009}}^1$

素因数の和:49022

約数の個数: 20

約数和(自身を含む): 9115860

約数和(自身を除く): 5195140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 49009, 98018, 196036, 245045, 392072, 490090, 784144, 980180, 1960360, 3920720]

約数ペア:

[(1, 3920720), (2, 1960360), (4, 980180), (5, 784144), (8, 490090), (10, 392072), (16, 245045), (20, 196036), (40, 98018), (80, 49009)]