12745690

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{14321}}^1$

素因数の和:14417

約数の個数: 16

約数和(自身を含む): 23201640

約数和(自身を除く): 10455950

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 14321, 28642, 71605, 143210, 1274569, 2549138, 6372845, 12745690]

約数ペア:

[(1, 12745690), (2, 6372845), (5, 2549138), (10, 1274569), (89, 143210), (178, 71605), (445, 28642), (890, 14321)]