4480720

素因数分解:

$2^4\times 5^1\times {\mathrm{56009}}^1$

素因数の和:56022

約数の個数: 20

約数和(自身を含む): 10417860

約数和(自身を除く): 5937140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 56009, 112018, 224036, 280045, 448072, 560090, 896144, 1120180, 2240360, 4480720]

約数ペア:

[(1, 4480720), (2, 2240360), (4, 1120180), (5, 896144), (8, 560090), (10, 448072), (16, 280045), (20, 224036), (40, 112018), (80, 56009)]