87909080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{313961}}^1$

素因数の和:313979

約数の個数: 32

約数和(自身を含む): 226052640

約数和(自身を除く): 138143560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 313961, 627922, 1255844, 1569805, 2197727, 2511688, 3139610, 4395454, 6279220, 8790908, 10988635, 12558440, 17581816, 21977270, 43954540, 87909080]

約数ペア:

[(1, 87909080), (2, 43954540), (4, 21977270), (5, 17581816), (7, 12558440), (8, 10988635), (10, 8790908), (14, 6279220), (20, 4395454), (28, 3139610), (35, 2511688), (40, 2197727), (56, 1569805), (70, 1255844), (140, 627922), (280, 313961)]