26388080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19403}}^1$

素因数の和:19433

約数の個数: 40

約数和(自身を含む): 64964592

約数和(自身を除く): 38576512

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 19403, 38806, 77612, 97015, 155224, 194030, 310448, 329851, 388060, 659702, 776120, 1319404, 1552240, 1649255, 2638808, 3298510, 5277616, 6597020, 13194040, 26388080]

約数ペア:

[(1, 26388080), (2, 13194040), (4, 6597020), (5, 5277616), (8, 3298510), (10, 2638808), (16, 1649255), (17, 1552240), (20, 1319404), (34, 776120), (40, 659702), (68, 388060), (80, 329851), (85, 310448), (136, 194030), (170, 155224), (272, 97015), (340, 77612), (680, 38806), (1360, 19403)]