205145920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{91583}}^1$

素因数の和:91607

約数の個数: 56

約数和(自身を含む): 558296064

約数和(自身を除く): 353150144

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 91583, 183166, 366332, 457915, 641081, 732664, 915830, 1282162, 1465328, 1831660, 2564324, 2930656, 3205405, 3663320, 5128648, 5861312, 6410810, 7326640, 10257296, 12821620, 14653280, 20514592, 25643240, 29306560, 41029184, 51286480, 102572960, 205145920]

約数ペア:

[(1, 205145920), (2, 102572960), (4, 51286480), (5, 41029184), (7, 29306560), (8, 25643240), (10, 20514592), (14, 14653280), (16, 12821620), (20, 10257296), (28, 7326640), (32, 6410810), (35, 5861312), (40, 5128648), (56, 3663320), (64, 3205405), (70, 2930656), (80, 2564324), (112, 1831660), (140, 1465328), (160, 1282162), (224, 915830), (280, 732664), (320, 641081), (448, 457915), (560, 366332), (1120, 183166), (2240, 91583)]