23191120

素因数分解:

$2^4\times 5^1\times {\mathrm{289889}}^1$

素因数の和:289902

約数の個数: 20

約数和(自身を含む): 53919540

約数和(自身を除く): 30728420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 289889, 579778, 1159556, 1449445, 2319112, 2898890, 4638224, 5797780, 11595560, 23191120]

約数ペア:

[(1, 23191120), (2, 11595560), (4, 5797780), (5, 4638224), (8, 2898890), (10, 2319112), (16, 1449445), (20, 1159556), (40, 579778), (80, 289889)]