10989040

素因数分解:

$2^4\times 5^1\times {\mathrm{137363}}^1$

素因数の和:137376

約数の個数: 20

約数和(自身を含む): 25549704

約数和(自身を除く): 14560664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137363, 274726, 549452, 686815, 1098904, 1373630, 2197808, 2747260, 5494520, 10989040]

約数ペア:

[(1, 10989040), (2, 5494520), (4, 2747260), (5, 2197808), (8, 1373630), (10, 1098904), (16, 686815), (20, 549452), (40, 274726), (80, 137363)]