87250760

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{27611}}^1$

素因数の和:27701

約数の個数: 32

約数和(自身を含む): 198806400

約数和(自身を除く): 111555640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 27611, 55222, 110444, 138055, 220888, 276110, 552220, 1104440, 2181269, 4362538, 8725076, 10906345, 17450152, 21812690, 43625380, 87250760]

約数ペア:

[(1, 87250760), (2, 43625380), (4, 21812690), (5, 17450152), (8, 10906345), (10, 8725076), (20, 4362538), (40, 2181269), (79, 1104440), (158, 552220), (316, 276110), (395, 220888), (632, 138055), (790, 110444), (1580, 55222), (3160, 27611)]