2040679990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{44939}}^1$

素因数の和:45204

約数の個数: 32

約数和(自身を含む): 3882816000

約数和(自身を除く): 1842136010

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 239, 478, 1195, 2390, 4541, 9082, 22705, 44939, 45410, 89878, 224695, 449390, 853841, 1707682, 4269205, 8538410, 10740421, 21480842, 53702105, 107404210, 204067999, 408135998, 1020339995, 2040679990]

約数ペア:

[(1, 2040679990), (2, 1020339995), (5, 408135998), (10, 204067999), (19, 107404210), (38, 53702105), (95, 21480842), (190, 10740421), (239, 8538410), (478, 4269205), (1195, 1707682), (2390, 853841), (4541, 449390), (9082, 224695), (22705, 89878), (44939, 45410)]