43280

素因数分解:

$2^4\times 5^1\times {\mathrm{541}}^1$

素因数の和:554

約数の個数: 20

約数和(自身を含む): 100812

約数和(自身を除く): 57532

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 541, 1082, 2164, 2705, 4328, 5410, 8656, 10820, 21640, 43280]

約数ペア:

[(1, 43280), (2, 21640), (4, 10820), (5, 8656), (8, 5410), (10, 4328), (16, 2705), (20, 2164), (40, 1082), (80, 541)]