51163900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{12479}}^1$

素因数の和:12534

約数の個数: 36

約数和(自身を含む): 113742720

約数和(自身を除く): 62578820

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 12479, 24958, 49916, 62395, 124790, 249580, 311975, 511639, 623950, 1023278, 1247900, 2046556, 2558195, 5116390, 10232780, 12790975, 25581950, 51163900]

約数ペア:

[(1, 51163900), (2, 25581950), (4, 12790975), (5, 10232780), (10, 5116390), (20, 2558195), (25, 2046556), (41, 1247900), (50, 1023278), (82, 623950), (100, 511639), (164, 311975), (205, 249580), (410, 124790), (820, 62395), (1025, 49916), (2050, 24958), (4100, 12479)]