142327840

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{8161}}^1$

素因数の和:8285

約数の個数: 48

約数和(自身を含む): 339375960

約数和(自身を除く): 197048120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 545, 872, 1090, 1744, 2180, 3488, 4360, 8161, 8720, 16322, 17440, 32644, 40805, 65288, 81610, 130576, 163220, 261152, 326440, 652880, 889549, 1305760, 1779098, 3558196, 4447745, 7116392, 8895490, 14232784, 17790980, 28465568, 35581960, 71163920, 142327840]

約数ペア:

[(1, 142327840), (2, 71163920), (4, 35581960), (5, 28465568), (8, 17790980), (10, 14232784), (16, 8895490), (20, 7116392), (32, 4447745), (40, 3558196), (80, 1779098), (109, 1305760), (160, 889549), (218, 652880), (436, 326440), (545, 261152), (872, 163220), (1090, 130576), (1744, 81610), (2180, 65288), (3488, 40805), (4360, 32644), (8161, 17440), (8720, 16322)]