66858260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{12907}}^1$

素因数の和:12960

約数の個数: 48

約数和(自身を含む): 164809344

約数和(自身を除く): 97951084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 12907, 25814, 51628, 64535, 90349, 129070, 180698, 258140, 361396, 451745, 477559, 903490, 955118, 1806980, 1910236, 2387795, 3342913, 4775590, 6685826, 9551180, 13371652, 16714565, 33429130, 66858260]

約数ペア:

[(1, 66858260), (2, 33429130), (4, 16714565), (5, 13371652), (7, 9551180), (10, 6685826), (14, 4775590), (20, 3342913), (28, 2387795), (35, 1910236), (37, 1806980), (70, 955118), (74, 903490), (140, 477559), (148, 451745), (185, 361396), (259, 258140), (370, 180698), (518, 129070), (740, 90349), (1036, 64535), (1295, 51628), (2590, 25814), (5180, 12907)]