38245640

素因数分解:

$2^3\times 5^1\times {\mathrm{643}}^1\times {\mathrm{1487}}^1$

素因数の和:2141

約数の個数: 32

約数和(自身を含む): 86244480

約数和(自身を除く): 47998840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 643, 1286, 1487, 2572, 2974, 3215, 5144, 5948, 6430, 7435, 11896, 12860, 14870, 25720, 29740, 59480, 956141, 1912282, 3824564, 4780705, 7649128, 9561410, 19122820, 38245640]

約数ペア:

[(1, 38245640), (2, 19122820), (4, 9561410), (5, 7649128), (8, 4780705), (10, 3824564), (20, 1912282), (40, 956141), (643, 59480), (1286, 29740), (1487, 25720), (2572, 14870), (2974, 12860), (3215, 11896), (5144, 7435), (5948, 6430)]