12215140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{87251}}^1$

素因数の和:87267

約数の個数: 24

約数和(自身を含む): 29316672

約数和(自身を除く): 17101532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 87251, 174502, 349004, 436255, 610757, 872510, 1221514, 1745020, 2443028, 3053785, 6107570, 12215140]

約数ペア:

[(1, 12215140), (2, 6107570), (4, 3053785), (5, 2443028), (7, 1745020), (10, 1221514), (14, 872510), (20, 610757), (28, 436255), (35, 349004), (70, 174502), (140, 87251)]