28584520

素因数分解:

$2^3\times 5^1\times {\mathrm{739}}^1\times {\mathrm{967}}^1$

素因数の和:1717

約数の個数: 32

約数和(自身を含む): 64468800

約数和(自身を除く): 35884280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 739, 967, 1478, 1934, 2956, 3695, 3868, 4835, 5912, 7390, 7736, 9670, 14780, 19340, 29560, 38680, 714613, 1429226, 2858452, 3573065, 5716904, 7146130, 14292260, 28584520]

約数ペア:

[(1, 28584520), (2, 14292260), (4, 7146130), (5, 5716904), (8, 3573065), (10, 2858452), (20, 1429226), (40, 714613), (739, 38680), (967, 29560), (1478, 19340), (1934, 14780), (2956, 9670), (3695, 7736), (3868, 7390), (4835, 5912)]