8907920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{15907}}^1$

素因数の和:15927

約数の個数: 40

約数和(自身を含む): 23671104

約数和(自身を除く): 14763184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 15907, 31814, 63628, 79535, 111349, 127256, 159070, 222698, 254512, 318140, 445396, 556745, 636280, 890792, 1113490, 1272560, 1781584, 2226980, 4453960, 8907920]

約数ペア:

[(1, 8907920), (2, 4453960), (4, 2226980), (5, 1781584), (7, 1272560), (8, 1113490), (10, 890792), (14, 636280), (16, 556745), (20, 445396), (28, 318140), (35, 254512), (40, 222698), (56, 159070), (70, 127256), (80, 111349), (112, 79535), (140, 63628), (280, 31814), (560, 15907)]