22140280

素因数分解:

$2^3\times 5^1\times {\mathrm{553507}}^1$

素因数の和:553518

約数の個数: 16

約数和(自身を含む): 49815720

約数和(自身を除く): 27675440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 553507, 1107014, 2214028, 2767535, 4428056, 5535070, 11070140, 22140280]

約数ペア:

[(1, 22140280), (2, 11070140), (4, 5535070), (5, 4428056), (8, 2767535), (10, 2214028), (20, 1107014), (40, 553507)]