1806160

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{211}}^1$

素因数の和:331

約数の個数: 40

約数和(自身を含む): 4258656

約数和(自身を除く): 2452496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 211, 214, 422, 428, 535, 844, 856, 1055, 1070, 1688, 1712, 2110, 2140, 3376, 4220, 4280, 8440, 8560, 16880, 22577, 45154, 90308, 112885, 180616, 225770, 361232, 451540, 903080, 1806160]

約数ペア:

[(1, 1806160), (2, 903080), (4, 451540), (5, 361232), (8, 225770), (10, 180616), (16, 112885), (20, 90308), (40, 45154), (80, 22577), (107, 16880), (211, 8560), (214, 8440), (422, 4280), (428, 4220), (535, 3376), (844, 2140), (856, 2110), (1055, 1712), (1070, 1688)]