26388560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1$

素因数の和:372

約数の個数: 80

約数和(自身を含む): 67709952

約数和(自身を除く): 41321392

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 157, 176, 191, 220, 314, 382, 440, 628, 764, 785, 880, 955, 1256, 1528, 1570, 1727, 1910, 2101, 2512, 3056, 3140, 3454, 3820, 4202, 6280, 6908, 7640, 8404, 8635, 10505, 12560, 13816, 15280, 16808, 17270, 21010, 27632, 29987, 33616, 34540, 42020, 59974, 69080, 84040, 119948, 138160, 149935, 168080, 239896, 299870, 329857, 479792, 599740, 659714, 1199480, 1319428, 1649285, 2398960, 2638856, 3298570, 5277712, 6597140, 13194280, 26388560]

約数ペア:

[(1, 26388560), (2, 13194280), (4, 6597140), (5, 5277712), (8, 3298570), (10, 2638856), (11, 2398960), (16, 1649285), (20, 1319428), (22, 1199480), (40, 659714), (44, 599740), (55, 479792), (80, 329857), (88, 299870), (110, 239896), (157, 168080), (176, 149935), (191, 138160), (220, 119948), (314, 84040), (382, 69080), (440, 59974), (628, 42020), (764, 34540), (785, 33616), (880, 29987), (955, 27632), (1256, 21010), (1528, 17270), (1570, 16808), (1727, 15280), (1910, 13816), (2101, 12560), (2512, 10505), (3056, 8635), (3140, 8404), (3454, 7640), (3820, 6908), (4202, 6280)]