42810520

素因数分解:

$2^3\times 5^1\times {\mathrm{563}}^1\times {\mathrm{1901}}^1$

素因数の和:2475

約数の個数: 32

約数和(自身を含む): 96545520

約数和(自身を除く): 53735000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 563, 1126, 1901, 2252, 2815, 3802, 4504, 5630, 7604, 9505, 11260, 15208, 19010, 22520, 38020, 76040, 1070263, 2140526, 4281052, 5351315, 8562104, 10702630, 21405260, 42810520]

約数ペア:

[(1, 42810520), (2, 21405260), (4, 10702630), (5, 8562104), (8, 5351315), (10, 4281052), (20, 2140526), (40, 1070263), (563, 76040), (1126, 38020), (1901, 22520), (2252, 19010), (2815, 15208), (3802, 11260), (4504, 9505), (5630, 7604)]