23155120

素因数分解:

$2^4\times 5^1\times {\mathrm{289439}}^1$

素因数の和:289452

約数の個数: 20

約数和(自身を含む): 53835840

約数和(自身を除く): 30680720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 289439, 578878, 1157756, 1447195, 2315512, 2894390, 4631024, 5788780, 11577560, 23155120]

約数ペア:

[(1, 23155120), (2, 11577560), (4, 5788780), (5, 4631024), (8, 2894390), (10, 2315512), (16, 1447195), (20, 1157756), (40, 578878), (80, 289439)]