26768080

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8161}}^1$

素因数の和:8215

約数の個数: 40

約数和(自身を含む): 63761544

約数和(自身を除く): 36993464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 8161, 16322, 32644, 40805, 65288, 81610, 130576, 163220, 326440, 334601, 652880, 669202, 1338404, 1673005, 2676808, 3346010, 5353616, 6692020, 13384040, 26768080]

約数ペア:

[(1, 26768080), (2, 13384040), (4, 6692020), (5, 5353616), (8, 3346010), (10, 2676808), (16, 1673005), (20, 1338404), (40, 669202), (41, 652880), (80, 334601), (82, 326440), (164, 163220), (205, 130576), (328, 81610), (410, 65288), (656, 40805), (820, 32644), (1640, 16322), (3280, 8161)]