12120140

素因数分解:

$2^2\times 5^1\times {\mathrm{691}}^1\times {\mathrm{877}}^1$

素因数の和:1577

約数の個数: 24

約数和(自身を含む): 25518192

約数和(自身を除く): 13398052

約数列:

[1, 2, 4, 5, 10, 20, 691, 877, 1382, 1754, 2764, 3455, 3508, 4385, 6910, 8770, 13820, 17540, 606007, 1212014, 2424028, 3030035, 6060070, 12120140]

約数ペア:

[(1, 12120140), (2, 6060070), (4, 3030035), (5, 2424028), (10, 1212014), (20, 606007), (691, 17540), (877, 13820), (1382, 8770), (1754, 6910), (2764, 4385), (3455, 3508)]