64173260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1741}}^1$

素因数の和:1866

約数の個数: 48

約数和(自身を含む): 143401440

約数和(自身を除く): 79228180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 97, 190, 194, 380, 388, 485, 970, 1741, 1843, 1940, 3482, 3686, 6964, 7372, 8705, 9215, 17410, 18430, 33079, 34820, 36860, 66158, 132316, 165395, 168877, 330790, 337754, 661580, 675508, 844385, 1688770, 3208663, 3377540, 6417326, 12834652, 16043315, 32086630, 64173260]

約数ペア:

[(1, 64173260), (2, 32086630), (4, 16043315), (5, 12834652), (10, 6417326), (19, 3377540), (20, 3208663), (38, 1688770), (76, 844385), (95, 675508), (97, 661580), (190, 337754), (194, 330790), (380, 168877), (388, 165395), (485, 132316), (970, 66158), (1741, 36860), (1843, 34820), (1940, 33079), (3482, 18430), (3686, 17410), (6964, 9215), (7372, 8705)]