4211560

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{499}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 9540000

約数和(自身を除く): 5328440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 499, 844, 998, 1055, 1688, 1996, 2110, 2495, 3992, 4220, 4990, 8440, 9980, 19960, 105289, 210578, 421156, 526445, 842312, 1052890, 2105780, 4211560]

約数ペア:

[(1, 4211560), (2, 2105780), (4, 1052890), (5, 842312), (8, 526445), (10, 421156), (20, 210578), (40, 105289), (211, 19960), (422, 9980), (499, 8440), (844, 4990), (998, 4220), (1055, 3992), (1688, 2495), (1996, 2110)]