86257840

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{7757}}^1$

素因数の和:7909

約数の個数: 40

約数和(自身を含む): 202018320

約数和(自身を除く): 115760480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 5560, 7757, 11120, 15514, 31028, 38785, 62056, 77570, 124112, 155140, 310280, 620560, 1078223, 2156446, 4312892, 5391115, 8625784, 10782230, 17251568, 21564460, 43128920, 86257840]

約数ペア:

[(1, 86257840), (2, 43128920), (4, 21564460), (5, 17251568), (8, 10782230), (10, 8625784), (16, 5391115), (20, 4312892), (40, 2156446), (80, 1078223), (139, 620560), (278, 310280), (556, 155140), (695, 124112), (1112, 77570), (1390, 62056), (2224, 38785), (2780, 31028), (5560, 15514), (7757, 11120)]