8840240

素因数分解:

$2^4\times 5^1\times {\mathrm{110503}}^1$

素因数の和:110516

約数の個数: 20

約数和(自身を含む): 20553744

約数和(自身を除く): 11713504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 110503, 221006, 442012, 552515, 884024, 1105030, 1768048, 2210060, 4420120, 8840240]

約数ペア:

[(1, 8840240), (2, 4420120), (4, 2210060), (5, 1768048), (8, 1105030), (10, 884024), (16, 552515), (20, 442012), (40, 221006), (80, 110503)]