54665920

素因数分解:

$2^6\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1229}}^1$

素因数の和:1385

約数の個数: 56

約数和(自身を含む): 131216400

約数和(自身を除く): 76550480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 139, 160, 278, 320, 556, 695, 1112, 1229, 1390, 2224, 2458, 2780, 4448, 4916, 5560, 6145, 8896, 9832, 11120, 12290, 19664, 22240, 24580, 39328, 44480, 49160, 78656, 98320, 170831, 196640, 341662, 393280, 683324, 854155, 1366648, 1708310, 2733296, 3416620, 5466592, 6833240, 10933184, 13666480, 27332960, 54665920]

約数ペア:

[(1, 54665920), (2, 27332960), (4, 13666480), (5, 10933184), (8, 6833240), (10, 5466592), (16, 3416620), (20, 2733296), (32, 1708310), (40, 1366648), (64, 854155), (80, 683324), (139, 393280), (160, 341662), (278, 196640), (320, 170831), (556, 98320), (695, 78656), (1112, 49160), (1229, 44480), (1390, 39328), (2224, 24580), (2458, 22240), (2780, 19664), (4448, 12290), (4916, 11120), (5560, 9832), (6145, 8896)]