2811440

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{311}}^1$

素因数の和:437

約数の個数: 40

約数和(自身を含む): 6615648

約数和(自身を除く): 3804208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 311, 452, 565, 622, 904, 1130, 1244, 1555, 1808, 2260, 2488, 3110, 4520, 4976, 6220, 9040, 12440, 24880, 35143, 70286, 140572, 175715, 281144, 351430, 562288, 702860, 1405720, 2811440]

約数ペア:

[(1, 2811440), (2, 1405720), (4, 702860), (5, 562288), (8, 351430), (10, 281144), (16, 175715), (20, 140572), (40, 70286), (80, 35143), (113, 24880), (226, 12440), (311, 9040), (452, 6220), (565, 4976), (622, 4520), (904, 3110), (1130, 2488), (1244, 2260), (1555, 1808)]