9800240

素因数分解:

$2^4\times 5^1\times {\mathrm{122503}}^1$

素因数の和:122516

約数の個数: 20

約数和(自身を含む): 22785744

約数和(自身を除く): 12985504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 122503, 245006, 490012, 612515, 980024, 1225030, 1960048, 2450060, 4900120, 9800240]

約数ペア:

[(1, 9800240), (2, 4900120), (4, 2450060), (5, 1960048), (8, 1225030), (10, 980024), (16, 612515), (20, 490012), (40, 245006), (80, 122503)]