22245040

素因数分解:

$2^4\times 5^1\times {\mathrm{278063}}^1$

素因数の和:278076

約数の個数: 20

約数和(自身を含む): 51719904

約数和(自身を除く): 29474864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 278063, 556126, 1112252, 1390315, 2224504, 2780630, 4449008, 5561260, 11122520, 22245040]

約数ペア:

[(1, 22245040), (2, 11122520), (4, 5561260), (5, 4449008), (8, 2780630), (10, 2224504), (16, 1390315), (20, 1112252), (40, 556126), (80, 278063)]