1020280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1109}}^1$

素因数の和:1143

約数の個数: 32

約数和(自身を含む): 2397600

約数和(自身を除く): 1377320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 1109, 2218, 4436, 5545, 8872, 11090, 22180, 25507, 44360, 51014, 102028, 127535, 204056, 255070, 510140, 1020280]

約数ペア:

[(1, 1020280), (2, 510140), (4, 255070), (5, 204056), (8, 127535), (10, 102028), (20, 51014), (23, 44360), (40, 25507), (46, 22180), (92, 11090), (115, 8872), (184, 5545), (230, 4436), (460, 2218), (920, 1109)]