12216140

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{6863}}^1$

素因数の和:6961

約数の個数: 24

約数和(自身を含む): 25945920

約数和(自身を除く): 13729780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 6863, 13726, 27452, 34315, 68630, 137260, 610807, 1221614, 2443228, 3054035, 6108070, 12216140]

約数ペア:

[(1, 12216140), (2, 6108070), (4, 3054035), (5, 2443228), (10, 1221614), (20, 610807), (89, 137260), (178, 68630), (356, 34315), (445, 27452), (890, 13726), (1780, 6863)]