12212180

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{4457}}^1$

素因数の和:4603

約数の個数: 24

約数和(自身を含む): 25838568

約数和(自身を除く): 13626388

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 4457, 8914, 17828, 22285, 44570, 89140, 610609, 1221218, 2442436, 3053045, 6106090, 12212180]

約数ペア:

[(1, 12212180), (2, 6106090), (4, 3053045), (5, 2442436), (10, 1221218), (20, 610609), (137, 89140), (274, 44570), (548, 22285), (685, 17828), (1370, 8914), (2740, 4457)]