71142160

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{8311}}^1$

素因数の和:8431

約数の個数: 40

約数和(自身を含む): 166971456

約数和(自身を除く): 95829296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2140, 4280, 8311, 8560, 16622, 33244, 41555, 66488, 83110, 132976, 166220, 332440, 664880, 889277, 1778554, 3557108, 4446385, 7114216, 8892770, 14228432, 17785540, 35571080, 71142160]

約数ペア:

[(1, 71142160), (2, 35571080), (4, 17785540), (5, 14228432), (8, 8892770), (10, 7114216), (16, 4446385), (20, 3557108), (40, 1778554), (80, 889277), (107, 664880), (214, 332440), (428, 166220), (535, 132976), (856, 83110), (1070, 66488), (1712, 41555), (2140, 33244), (4280, 16622), (8311, 8560)]