67238420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{47351}}^1$

素因数の和:47431

約数の個数: 24

約数和(自身を含む): 143192448

約数和(自身を除く): 75954028

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 47351, 94702, 189404, 236755, 473510, 947020, 3361921, 6723842, 13447684, 16809605, 33619210, 67238420]

約数ペア:

[(1, 67238420), (2, 33619210), (4, 16809605), (5, 13447684), (10, 6723842), (20, 3361921), (71, 947020), (142, 473510), (284, 236755), (355, 189404), (710, 94702), (1420, 47351)]