51545840

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{13709}}^1$

素因数の和:13769

約数の個数: 40

約数和(自身を含む): 122402880

約数和(自身を除く): 70857040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 13709, 27418, 54836, 68545, 109672, 137090, 219344, 274180, 548360, 644323, 1096720, 1288646, 2577292, 3221615, 5154584, 6443230, 10309168, 12886460, 25772920, 51545840]

約数ペア:

[(1, 51545840), (2, 25772920), (4, 12886460), (5, 10309168), (8, 6443230), (10, 5154584), (16, 3221615), (20, 2577292), (40, 1288646), (47, 1096720), (80, 644323), (94, 548360), (188, 274180), (235, 219344), (376, 137090), (470, 109672), (752, 68545), (940, 54836), (1880, 27418), (3760, 13709)]