8640872

素因数分解:

$2^3\times {\mathrm{211}}^1\times {\mathrm{5119}}^1$

素因数の和:5336

約数の個数: 16

約数和(自身を含む): 16281600

約数和(自身を除く): 7640728

約数列:

[1, 2, 4, 8, 211, 422, 844, 1688, 5119, 10238, 20476, 40952, 1080109, 2160218, 4320436, 8640872]

約数ペア:

[(1, 8640872), (2, 4320436), (4, 2160218), (8, 1080109), (211, 40952), (422, 20476), (844, 10238), (1688, 5119)]