129342700

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{31547}}^1$

素因数の和:31602

約数の個数: 36

約数和(自身を含む): 287528472

約数和(自身を除く): 158185772

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 31547, 63094, 126188, 157735, 315470, 630940, 788675, 1293427, 1577350, 2586854, 3154700, 5173708, 6467135, 12934270, 25868540, 32335675, 64671350, 129342700]

約数ペア:

[(1, 129342700), (2, 64671350), (4, 32335675), (5, 25868540), (10, 12934270), (20, 6467135), (25, 5173708), (41, 3154700), (50, 2586854), (82, 1577350), (100, 1293427), (164, 788675), (205, 630940), (410, 315470), (820, 157735), (1025, 126188), (2050, 63094), (4100, 31547)]