201990160

素因数分解:

$2^4\times 5^1\times {\mathrm{2524877}}^1$

素因数の和:2524890

約数の個数: 20

約数和(自身を含む): 469627308

約数和(自身を除く): 267637148

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2524877, 5049754, 10099508, 12624385, 20199016, 25248770, 40398032, 50497540, 100995080, 201990160]

約数ペア:

[(1, 201990160), (2, 100995080), (4, 50497540), (5, 40398032), (8, 25248770), (10, 20199016), (16, 12624385), (20, 10099508), (40, 5049754), (80, 2524877)]