80657390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{191}}^1\times {\mathrm{349}}^1$

素因数の和:569

約数の個数: 48

約数和(自身を含む): 160876800

約数和(自身を除く): 80219410

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 191, 242, 349, 382, 605, 698, 955, 1210, 1745, 1910, 2101, 3490, 3839, 4202, 7678, 10505, 19195, 21010, 23111, 38390, 42229, 46222, 66659, 84458, 115555, 133318, 211145, 231110, 333295, 422290, 666590, 733249, 1466498, 3666245, 7332490, 8065739, 16131478, 40328695, 80657390]

約数ペア:

[(1, 80657390), (2, 40328695), (5, 16131478), (10, 8065739), (11, 7332490), (22, 3666245), (55, 1466498), (110, 733249), (121, 666590), (191, 422290), (242, 333295), (349, 231110), (382, 211145), (605, 133318), (698, 115555), (955, 84458), (1210, 66659), (1745, 46222), (1910, 42229), (2101, 38390), (3490, 23111), (3839, 21010), (4202, 19195), (7678, 10505)]