22780720

素因数分解:

$2^4\times 5^1\times {\mathrm{284759}}^1$

素因数の和:284772

約数の個数: 20

約数和(自身を含む): 52965360

約数和(自身を除く): 30184640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 284759, 569518, 1139036, 1423795, 2278072, 2847590, 4556144, 5695180, 11390360, 22780720]

約数ペア:

[(1, 22780720), (2, 11390360), (4, 5695180), (5, 4556144), (8, 2847590), (10, 2278072), (16, 1423795), (20, 1139036), (40, 569518), (80, 284759)]