53178520

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{13163}}^1$

素因数の和:13275

約数の個数: 32

約数和(自身を含む): 120845520

約数和(自身を除く): 67667000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 13163, 26326, 52652, 65815, 105304, 131630, 263260, 526520, 1329463, 2658926, 5317852, 6647315, 10635704, 13294630, 26589260, 53178520]

約数ペア:

[(1, 53178520), (2, 26589260), (4, 13294630), (5, 10635704), (8, 6647315), (10, 5317852), (20, 2658926), (40, 1329463), (101, 526520), (202, 263260), (404, 131630), (505, 105304), (808, 65815), (1010, 52652), (2020, 26326), (4040, 13163)]