12879160

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{6571}}^1$

素因数の和:6596

約数の個数: 48

約数和(自身を含む): 33714360

約数和(自身を除く): 20835200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 6571, 13142, 26284, 32855, 45997, 52568, 65710, 91994, 131420, 183988, 229985, 262840, 321979, 367976, 459970, 643958, 919940, 1287916, 1609895, 1839880, 2575832, 3219790, 6439580, 12879160]

約数ペア:

[(1, 12879160), (2, 6439580), (4, 3219790), (5, 2575832), (7, 1839880), (8, 1609895), (10, 1287916), (14, 919940), (20, 643958), (28, 459970), (35, 367976), (40, 321979), (49, 262840), (56, 229985), (70, 183988), (98, 131420), (140, 91994), (196, 65710), (245, 52568), (280, 45997), (392, 32855), (490, 26284), (980, 13142), (1960, 6571)]