39630520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23041}}^1$

素因数の和:23095

約数の個数: 32

約数和(自身を含む): 91246320

約数和(自身を除く): 51615800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 23041, 46082, 92164, 115205, 184328, 230410, 460820, 921640, 990763, 1981526, 3963052, 4953815, 7926104, 9907630, 19815260, 39630520]

約数ペア:

[(1, 39630520), (2, 19815260), (4, 9907630), (5, 7926104), (8, 4953815), (10, 3963052), (20, 1981526), (40, 990763), (43, 921640), (86, 460820), (172, 230410), (215, 184328), (344, 115205), (430, 92164), (860, 46082), (1720, 23041)]