12879520

素因数分解:

$2^5\times 5^1\times {\mathrm{101}}^1\times {\mathrm{797}}^1$

素因数の和:913

約数の個数: 48

約数和(自身を含む): 30767688

約数和(自身を除く): 17888168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 101, 160, 202, 404, 505, 797, 808, 1010, 1594, 1616, 2020, 3188, 3232, 3985, 4040, 6376, 7970, 8080, 12752, 15940, 16160, 25504, 31880, 63760, 80497, 127520, 160994, 321988, 402485, 643976, 804970, 1287952, 1609940, 2575904, 3219880, 6439760, 12879520]

約数ペア:

[(1, 12879520), (2, 6439760), (4, 3219880), (5, 2575904), (8, 1609940), (10, 1287952), (16, 804970), (20, 643976), (32, 402485), (40, 321988), (80, 160994), (101, 127520), (160, 80497), (202, 63760), (404, 31880), (505, 25504), (797, 16160), (808, 15940), (1010, 12752), (1594, 8080), (1616, 7970), (2020, 6376), (3188, 4040), (3232, 3985)]