81348670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^2$

素因数の和:277

約数の個数: 48

約数和(自身を含む): 161501760

約数和(自身を除く): 80153090

約数列:

[1, 2, 5, 10, 13, 26, 65, 79, 89, 130, 158, 178, 395, 445, 790, 890, 1027, 1157, 2054, 2314, 5135, 5785, 7031, 7921, 10270, 11570, 14062, 15842, 35155, 39605, 70310, 79210, 91403, 102973, 182806, 205946, 457015, 514865, 625759, 914030, 1029730, 1251518, 3128795, 6257590, 8134867, 16269734, 40674335, 81348670]

約数ペア:

[(1, 81348670), (2, 40674335), (5, 16269734), (10, 8134867), (13, 6257590), (26, 3128795), (65, 1251518), (79, 1029730), (89, 914030), (130, 625759), (158, 514865), (178, 457015), (395, 205946), (445, 182806), (790, 102973), (890, 91403), (1027, 79210), (1157, 70310), (2054, 39605), (2314, 35155), (5135, 15842), (5785, 14062), (7031, 11570), (7921, 10270)]