80385728

素因数分解:

$2^6\times {\mathrm{31}}^2\times {\mathrm{1307}}^1$

素因数の和:1381

約数の個数: 42

約数和(自身を含む): 164953188

約数和(自身を除く): 84567460

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 961, 992, 1307, 1922, 1984, 2614, 3844, 5228, 7688, 10456, 15376, 20912, 30752, 40517, 41824, 61504, 81034, 83648, 162068, 324136, 648272, 1256027, 1296544, 2512054, 2593088, 5024108, 10048216, 20096432, 40192864, 80385728]

約数ペア:

[(1, 80385728), (2, 40192864), (4, 20096432), (8, 10048216), (16, 5024108), (31, 2593088), (32, 2512054), (62, 1296544), (64, 1256027), (124, 648272), (248, 324136), (496, 162068), (961, 83648), (992, 81034), (1307, 61504), (1922, 41824), (1984, 40517), (2614, 30752), (3844, 20912), (5228, 15376), (7688, 10456)]