201971320

素因数分解:

$2^3\times 5^1\times {\mathrm{5049283}}^1$

素因数の和:5049294

約数の個数: 16

約数和(自身を含む): 454435560

約数和(自身を除く): 252464240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5049283, 10098566, 20197132, 25246415, 40394264, 50492830, 100985660, 201971320]

約数ペア:

[(1, 201971320), (2, 100985660), (4, 50492830), (5, 40394264), (8, 25246415), (10, 20197132), (20, 10098566), (40, 5049283)]