22165040

素因数分解:

$2^4\times 5^1\times {\mathrm{277063}}^1$

素因数の和:277076

約数の個数: 20

約数和(自身を含む): 51533904

約数和(自身を除く): 29368864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 277063, 554126, 1108252, 1385315, 2216504, 2770630, 4433008, 5541260, 11082520, 22165040]

約数ペア:

[(1, 22165040), (2, 11082520), (4, 5541260), (5, 4433008), (8, 2770630), (10, 2216504), (16, 1385315), (20, 1108252), (40, 554126), (80, 277063)]