8245880

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{977}}^1$

素因数の和:1199

約数の個数: 32

約数和(自身を含む): 18660240

約数和(自身を除く): 10414360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 977, 1055, 1688, 1954, 2110, 3908, 4220, 4885, 7816, 8440, 9770, 19540, 39080, 206147, 412294, 824588, 1030735, 1649176, 2061470, 4122940, 8245880]

約数ペア:

[(1, 8245880), (2, 4122940), (4, 2061470), (5, 1649176), (8, 1030735), (10, 824588), (20, 412294), (40, 206147), (211, 39080), (422, 19540), (844, 9770), (977, 8440), (1055, 7816), (1688, 4885), (1954, 4220), (2110, 3908)]