858016780

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{416513}}^1$

素因数の和:416625

約数の個数: 24

約数和(自身を含む): 1819333152

約数和(自身を除く): 961316372

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 416513, 833026, 1666052, 2082565, 4165130, 8330260, 42900839, 85801678, 171603356, 214504195, 429008390, 858016780]

約数ペア:

[(1, 858016780), (2, 429008390), (4, 214504195), (5, 171603356), (10, 85801678), (20, 42900839), (103, 8330260), (206, 4165130), (412, 2082565), (515, 1666052), (1030, 833026), (2060, 416513)]