222716720

素因数分解:

$2^4\times 5^1\times {\mathrm{2783959}}^1$

素因数の和:2783972

約数の個数: 20

約数和(自身を含む): 517816560

約数和(自身を除く): 295099840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2783959, 5567918, 11135836, 13919795, 22271672, 27839590, 44543344, 55679180, 111358360, 222716720]

約数ペア:

[(1, 222716720), (2, 111358360), (4, 55679180), (5, 44543344), (8, 27839590), (10, 22271672), (16, 13919795), (20, 11135836), (40, 5567918), (80, 2783959)]