8677640

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{541}}^1$

素因数の和:953

約数の個数: 32

約数和(自身を含む): 19609560

約数和(自身を除く): 10931920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 541, 802, 1082, 1604, 2005, 2164, 2705, 3208, 4010, 4328, 5410, 8020, 10820, 16040, 21640, 216941, 433882, 867764, 1084705, 1735528, 2169410, 4338820, 8677640]

約数ペア:

[(1, 8677640), (2, 4338820), (4, 2169410), (5, 1735528), (8, 1084705), (10, 867764), (20, 433882), (40, 216941), (401, 21640), (541, 16040), (802, 10820), (1082, 8020), (1604, 5410), (2005, 4328), (2164, 4010), (2705, 3208)]