22189840

素因数分解:

$2^4\times 5^1\times {\mathrm{277373}}^1$

素因数の和:277386

約数の個数: 20

約数和(自身を含む): 51591564

約数和(自身を除く): 29401724

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 277373, 554746, 1109492, 1386865, 2218984, 2773730, 4437968, 5547460, 11094920, 22189840]

約数ペア:

[(1, 22189840), (2, 11094920), (4, 5547460), (5, 4437968), (8, 2773730), (10, 2218984), (16, 1386865), (20, 1109492), (40, 554746), (80, 277373)]