79272880

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{9811}}^1$

素因数の和:9925

約数の個数: 40

約数和(自身を含む): 186153264

約数和(自身を除く): 106880384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 9811, 19622, 39244, 49055, 78488, 98110, 156976, 196220, 392440, 784880, 990911, 1981822, 3963644, 4954555, 7927288, 9909110, 15854576, 19818220, 39636440, 79272880]

約数ペア:

[(1, 79272880), (2, 39636440), (4, 19818220), (5, 15854576), (8, 9909110), (10, 7927288), (16, 4954555), (20, 3963644), (40, 1981822), (80, 990911), (101, 784880), (202, 392440), (404, 196220), (505, 156976), (808, 98110), (1010, 78488), (1616, 49055), (2020, 39244), (4040, 19622), (8080, 9811)]