42979340

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{16921}}^1$

素因数の和:17057

約数の個数: 24

約数和(自身を含む): 90972672

約数和(自身を除く): 47993332

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 16921, 33842, 67684, 84605, 169210, 338420, 2148967, 4297934, 8595868, 10744835, 21489670, 42979340]

約数ペア:

[(1, 42979340), (2, 21489670), (4, 10744835), (5, 8595868), (10, 4297934), (20, 2148967), (127, 338420), (254, 169210), (508, 84605), (635, 67684), (1270, 33842), (2540, 16921)]