127558960

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{15787}}^1$

素因数の和:15901

約数の個数: 40

約数和(自身を含む): 299529936

約数和(自身を除く): 171970976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 15787, 31574, 63148, 78935, 126296, 157870, 252592, 315740, 631480, 1262960, 1594487, 3188974, 6377948, 7972435, 12755896, 15944870, 25511792, 31889740, 63779480, 127558960]

約数ペア:

[(1, 127558960), (2, 63779480), (4, 31889740), (5, 25511792), (8, 15944870), (10, 12755896), (16, 7972435), (20, 6377948), (40, 3188974), (80, 1594487), (101, 1262960), (202, 631480), (404, 315740), (505, 252592), (808, 157870), (1010, 126296), (1616, 78935), (2020, 63148), (4040, 31574), (8080, 15787)]