25387120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1697}}^1$

素因数の和:1738

約数の個数: 80

約数和(自身を含む): 68218848

約数和(自身を除く): 42831728

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 170, 176, 187, 220, 272, 340, 374, 440, 680, 748, 880, 935, 1360, 1496, 1697, 1870, 2992, 3394, 3740, 6788, 7480, 8485, 13576, 14960, 16970, 18667, 27152, 28849, 33940, 37334, 57698, 67880, 74668, 93335, 115396, 135760, 144245, 149336, 186670, 230792, 288490, 298672, 317339, 373340, 461584, 576980, 634678, 746680, 1153960, 1269356, 1493360, 1586695, 2307920, 2538712, 3173390, 5077424, 6346780, 12693560, 25387120]

約数ペア:

[(1, 25387120), (2, 12693560), (4, 6346780), (5, 5077424), (8, 3173390), (10, 2538712), (11, 2307920), (16, 1586695), (17, 1493360), (20, 1269356), (22, 1153960), (34, 746680), (40, 634678), (44, 576980), (55, 461584), (68, 373340), (80, 317339), (85, 298672), (88, 288490), (110, 230792), (136, 186670), (170, 149336), (176, 144245), (187, 135760), (220, 115396), (272, 93335), (340, 74668), (374, 67880), (440, 57698), (680, 37334), (748, 33940), (880, 28849), (935, 27152), (1360, 18667), (1496, 16970), (1697, 14960), (1870, 13576), (2992, 8485), (3394, 7480), (3740, 6788)]