31549340

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{12421}}^1$

素因数の和:12557

約数の個数: 24

約数和(自身を含む): 66780672

約数和(自身を除く): 35231332

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 12421, 24842, 49684, 62105, 124210, 248420, 1577467, 3154934, 6309868, 7887335, 15774670, 31549340]

約数ペア:

[(1, 31549340), (2, 15774670), (4, 7887335), (5, 6309868), (10, 3154934), (20, 1577467), (127, 248420), (254, 124210), (508, 62105), (635, 49684), (1270, 24842), (2540, 12421)]