80134040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2089}}^1$

素因数の和:2244

約数の個数: 64

約数和(自身を含む): 207662400

約数和(自身を除く): 127528360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 137, 140, 274, 280, 548, 685, 959, 1096, 1370, 1918, 2089, 2740, 3836, 4178, 4795, 5480, 7672, 8356, 9590, 10445, 14623, 16712, 19180, 20890, 29246, 38360, 41780, 58492, 73115, 83560, 116984, 146230, 286193, 292460, 572386, 584920, 1144772, 1430965, 2003351, 2289544, 2861930, 4006702, 5723860, 8013404, 10016755, 11447720, 16026808, 20033510, 40067020, 80134040]

約数ペア:

[(1, 80134040), (2, 40067020), (4, 20033510), (5, 16026808), (7, 11447720), (8, 10016755), (10, 8013404), (14, 5723860), (20, 4006702), (28, 2861930), (35, 2289544), (40, 2003351), (56, 1430965), (70, 1144772), (137, 584920), (140, 572386), (274, 292460), (280, 286193), (548, 146230), (685, 116984), (959, 83560), (1096, 73115), (1370, 58492), (1918, 41780), (2089, 38360), (2740, 29246), (3836, 20890), (4178, 19180), (4795, 16712), (5480, 14623), (7672, 10445), (8356, 9590)]