39820090

素因数分解:

$2^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{9239}}^1$

素因数の和:9677

約数の個数: 16

約数和(自身を含む): 71850240

約数和(自身を除く): 32030150

約数列:

[1, 2, 5, 10, 431, 862, 2155, 4310, 9239, 18478, 46195, 92390, 3982009, 7964018, 19910045, 39820090]

約数ペア:

[(1, 39820090), (2, 19910045), (5, 7964018), (10, 3982009), (431, 92390), (862, 46195), (2155, 18478), (4310, 9239)]