51215080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1811}}^1$

素因数の和:1930

約数の個数: 64

約数和(自身を含む): 133073280

約数和(自身を除く): 81858200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 101, 140, 202, 280, 404, 505, 707, 808, 1010, 1414, 1811, 2020, 2828, 3535, 3622, 4040, 5656, 7070, 7244, 9055, 12677, 14140, 14488, 18110, 25354, 28280, 36220, 50708, 63385, 72440, 101416, 126770, 182911, 253540, 365822, 507080, 731644, 914555, 1280377, 1463288, 1829110, 2560754, 3658220, 5121508, 6401885, 7316440, 10243016, 12803770, 25607540, 51215080]

約数ペア:

[(1, 51215080), (2, 25607540), (4, 12803770), (5, 10243016), (7, 7316440), (8, 6401885), (10, 5121508), (14, 3658220), (20, 2560754), (28, 1829110), (35, 1463288), (40, 1280377), (56, 914555), (70, 731644), (101, 507080), (140, 365822), (202, 253540), (280, 182911), (404, 126770), (505, 101416), (707, 72440), (808, 63385), (1010, 50708), (1414, 36220), (1811, 28280), (2020, 25354), (2828, 18110), (3535, 14488), (3622, 14140), (4040, 12677), (5656, 9055), (7070, 7244)]