54905440

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18061}}^1$

素因数の和:18095

約数の個数: 48

約数和(自身を含む): 136548720

約数和(自身を除く): 81643280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 18061, 36122, 72244, 90305, 144488, 180610, 288976, 343159, 361220, 577952, 686318, 722440, 1372636, 1444880, 1715795, 2745272, 2889760, 3431590, 5490544, 6863180, 10981088, 13726360, 27452720, 54905440]

約数ペア:

[(1, 54905440), (2, 27452720), (4, 13726360), (5, 10981088), (8, 6863180), (10, 5490544), (16, 3431590), (19, 2889760), (20, 2745272), (32, 1715795), (38, 1444880), (40, 1372636), (76, 722440), (80, 686318), (95, 577952), (152, 361220), (160, 343159), (190, 288976), (304, 180610), (380, 144488), (608, 90305), (760, 72244), (1520, 36122), (3040, 18061)]