17428880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31123}}^1$

素因数の和:31143

約数の個数: 40

約数和(自身を含む): 46312512

約数和(自身を除く): 28883632

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 31123, 62246, 124492, 155615, 217861, 248984, 311230, 435722, 497968, 622460, 871444, 1089305, 1244920, 1742888, 2178610, 2489840, 3485776, 4357220, 8714440, 17428880]

約数ペア:

[(1, 17428880), (2, 8714440), (4, 4357220), (5, 3485776), (7, 2489840), (8, 2178610), (10, 1742888), (14, 1244920), (16, 1089305), (20, 871444), (28, 622460), (35, 497968), (40, 435722), (56, 311230), (70, 248984), (80, 217861), (112, 155615), (140, 124492), (280, 62246), (560, 31123)]