23131120

素因数分解:

$2^4\times 5^1\times {\mathrm{289139}}^1$

素因数の和:289152

約数の個数: 20

約数和(自身を含む): 53780040

約数和(自身を除く): 30648920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 289139, 578278, 1156556, 1445695, 2313112, 2891390, 4626224, 5782780, 11565560, 23131120]

約数ペア:

[(1, 23131120), (2, 11565560), (4, 5782780), (5, 4626224), (8, 2891390), (10, 2313112), (16, 1445695), (20, 1156556), (40, 578278), (80, 289139)]