91931480

素因数分解:

$2^3\times 5^1\times {\mathrm{1289}}^1\times {\mathrm{1783}}^1$

素因数の和:3083

約数の個数: 32

約数和(自身を含む): 207122400

約数和(自身を除く): 115190920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1289, 1783, 2578, 3566, 5156, 6445, 7132, 8915, 10312, 12890, 14264, 17830, 25780, 35660, 51560, 71320, 2298287, 4596574, 9193148, 11491435, 18386296, 22982870, 45965740, 91931480]

約数ペア:

[(1, 91931480), (2, 45965740), (4, 22982870), (5, 18386296), (8, 11491435), (10, 9193148), (20, 4596574), (40, 2298287), (1289, 71320), (1783, 51560), (2578, 35660), (3566, 25780), (5156, 17830), (6445, 14264), (7132, 12890), (8915, 10312)]