17867920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31907}}^1$

素因数の和:31927

約数の個数: 40

約数和(自身を含む): 47479104

約数和(自身を除く): 29611184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 31907, 63814, 127628, 159535, 223349, 255256, 319070, 446698, 510512, 638140, 893396, 1116745, 1276280, 1786792, 2233490, 2552560, 3573584, 4466980, 8933960, 17867920]

約数ペア:

[(1, 17867920), (2, 8933960), (4, 4466980), (5, 3573584), (7, 2552560), (8, 2233490), (10, 1786792), (14, 1276280), (16, 1116745), (20, 893396), (28, 638140), (35, 510512), (40, 446698), (56, 319070), (70, 255256), (80, 223349), (112, 159535), (140, 127628), (280, 63814), (560, 31907)]