26388880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47123}}^1$

素因数の和:47143

約数の個数: 40

約数和(自身を含む): 70120512

約数和(自身を除く): 43731632

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 47123, 94246, 188492, 235615, 329861, 376984, 471230, 659722, 753968, 942460, 1319444, 1649305, 1884920, 2638888, 3298610, 3769840, 5277776, 6597220, 13194440, 26388880]

約数ペア:

[(1, 26388880), (2, 13194440), (4, 6597220), (5, 5277776), (7, 3769840), (8, 3298610), (10, 2638888), (14, 1884920), (16, 1649305), (20, 1319444), (28, 942460), (35, 753968), (40, 659722), (56, 471230), (70, 376984), (80, 329861), (112, 235615), (140, 188492), (280, 94246), (560, 47123)]