2018996560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{3605351}}^1$

素因数の和:3605371

約数の個数: 40

約数和(自身を含む): 5364763776

約数和(自身を除く): 3345767216

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 3605351, 7210702, 14421404, 18026755, 25237457, 28842808, 36053510, 50474914, 57685616, 72107020, 100949828, 126187285, 144214040, 201899656, 252374570, 288428080, 403799312, 504749140, 1009498280, 2018996560]

約数ペア:

[(1, 2018996560), (2, 1009498280), (4, 504749140), (5, 403799312), (7, 288428080), (8, 252374570), (10, 201899656), (14, 144214040), (16, 126187285), (20, 100949828), (28, 72107020), (35, 57685616), (40, 50474914), (56, 36053510), (70, 28842808), (80, 25237457), (112, 18026755), (140, 14421404), (280, 7210702), (560, 3605351)]