28046120

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{3323}}^1$

素因数の和:3545

約数の個数: 32

約数和(自身を含む): 63421920

約数和(自身を除く): 35375800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 3323, 4220, 6646, 8440, 13292, 16615, 26584, 33230, 66460, 132920, 701153, 1402306, 2804612, 3505765, 5609224, 7011530, 14023060, 28046120]

約数ペア:

[(1, 28046120), (2, 14023060), (4, 7011530), (5, 5609224), (8, 3505765), (10, 2804612), (20, 1402306), (40, 701153), (211, 132920), (422, 66460), (844, 33230), (1055, 26584), (1688, 16615), (2110, 13292), (3323, 8440), (4220, 6646)]