8113900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{1979}}^1$

素因数の和:2034

約数の個数: 36

約数和(自身を含む): 18045720

約数和(自身を除く): 9931820

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 1979, 2050, 3958, 4100, 7916, 9895, 19790, 39580, 49475, 81139, 98950, 162278, 197900, 324556, 405695, 811390, 1622780, 2028475, 4056950, 8113900]

約数ペア:

[(1, 8113900), (2, 4056950), (4, 2028475), (5, 1622780), (10, 811390), (20, 405695), (25, 324556), (41, 197900), (50, 162278), (82, 98950), (100, 81139), (164, 49475), (205, 39580), (410, 19790), (820, 9895), (1025, 7916), (1979, 4100), (2050, 3958)]