12868940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{91921}}^1$

素因数の和:91937

約数の個数: 24

約数和(自身を含む): 30885792

約数和(自身を除く): 18016852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 91921, 183842, 367684, 459605, 643447, 919210, 1286894, 1838420, 2573788, 3217235, 6434470, 12868940]

約数ペア:

[(1, 12868940), (2, 6434470), (4, 3217235), (5, 2573788), (7, 1838420), (10, 1286894), (14, 919210), (20, 643447), (28, 459605), (35, 367684), (70, 183842), (140, 91921)]