3203740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3907}}^1$

素因数の和:3957

約数の個数: 24

約数和(自身を含む): 6893712

約数和(自身を除く): 3689972

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 3907, 7814, 15628, 19535, 39070, 78140, 160187, 320374, 640748, 800935, 1601870, 3203740]

約数ペア:

[(1, 3203740), (2, 1601870), (4, 800935), (5, 640748), (10, 320374), (20, 160187), (41, 78140), (82, 39070), (164, 19535), (205, 15628), (410, 7814), (820, 3907)]