8005250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:140

約数の個数: 64

約数和(自身を含む): 16982784

約数和(自身を除く): 8977534

約数列:

[1, 2, 5, 10, 11, 22, 25, 41, 50, 55, 71, 82, 110, 125, 142, 205, 250, 275, 355, 410, 451, 550, 710, 781, 902, 1025, 1375, 1562, 1775, 2050, 2255, 2750, 2911, 3550, 3905, 4510, 5125, 5822, 7810, 8875, 10250, 11275, 14555, 17750, 19525, 22550, 29110, 32021, 39050, 56375, 64042, 72775, 97625, 112750, 145550, 160105, 195250, 320210, 363875, 727750, 800525, 1601050, 4002625, 8005250]

約数ペア:

[(1, 8005250), (2, 4002625), (5, 1601050), (10, 800525), (11, 727750), (22, 363875), (25, 320210), (41, 195250), (50, 160105), (55, 145550), (71, 112750), (82, 97625), (110, 72775), (125, 64042), (142, 56375), (205, 39050), (250, 32021), (275, 29110), (355, 22550), (410, 19525), (451, 17750), (550, 14555), (710, 11275), (781, 10250), (902, 8875), (1025, 7810), (1375, 5822), (1562, 5125), (1775, 4510), (2050, 3905), (2255, 3550), (2750, 2911)]