206402080

素因数分解:

$2^5\times 5^1\times {\mathrm{1290013}}^1$

素因数の和:1290028

約数の個数: 24

約数和(自身を含む): 487625292

約数和(自身を除く): 281223212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1290013, 2580026, 5160052, 6450065, 10320104, 12900130, 20640208, 25800260, 41280416, 51600520, 103201040, 206402080]

約数ペア:

[(1, 206402080), (2, 103201040), (4, 51600520), (5, 41280416), (8, 25800260), (10, 20640208), (16, 12900130), (20, 10320104), (32, 6450065), (40, 5160052), (80, 2580026), (160, 1290013)]