856025360

素因数分解:

$2^4\times 5^1\times {\mathrm{2711}}^1\times {\mathrm{3947}}^1$

素因数の和:6671

約数の個数: 40

約数和(自身を含む): 1991497536

約数和(自身を除く): 1135472176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2711, 3947, 5422, 7894, 10844, 13555, 15788, 19735, 21688, 27110, 31576, 39470, 43376, 54220, 63152, 78940, 108440, 157880, 216880, 315760, 10700317, 21400634, 42801268, 53501585, 85602536, 107003170, 171205072, 214006340, 428012680, 856025360]

約数ペア:

[(1, 856025360), (2, 428012680), (4, 214006340), (5, 171205072), (8, 107003170), (10, 85602536), (16, 53501585), (20, 42801268), (40, 21400634), (80, 10700317), (2711, 315760), (3947, 216880), (5422, 157880), (7894, 108440), (10844, 78940), (13555, 63152), (15788, 54220), (19735, 43376), (21688, 39470), (27110, 31576)]