8654120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{193}}^1$

素因数の和:282

約数の個数: 64

約数和(自身を含む): 20952000

約数和(自身を除く): 12297880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 59, 76, 95, 118, 152, 190, 193, 236, 295, 380, 386, 472, 590, 760, 772, 965, 1121, 1180, 1544, 1930, 2242, 2360, 3667, 3860, 4484, 5605, 7334, 7720, 8968, 11210, 11387, 14668, 18335, 22420, 22774, 29336, 36670, 44840, 45548, 56935, 73340, 91096, 113870, 146680, 216353, 227740, 432706, 455480, 865412, 1081765, 1730824, 2163530, 4327060, 8654120]

約数ペア:

[(1, 8654120), (2, 4327060), (4, 2163530), (5, 1730824), (8, 1081765), (10, 865412), (19, 455480), (20, 432706), (38, 227740), (40, 216353), (59, 146680), (76, 113870), (95, 91096), (118, 73340), (152, 56935), (190, 45548), (193, 44840), (236, 36670), (295, 29336), (380, 22774), (386, 22420), (472, 18335), (590, 14668), (760, 11387), (772, 11210), (965, 8968), (1121, 7720), (1180, 7334), (1544, 5605), (1930, 4484), (2242, 3860), (2360, 3667)]