39908990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{8849}}^1$

素因数の和:8908

約数の個数: 32

約数和(自身を含む): 80287200

約数和(自身を除く): 40378210

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 205, 410, 451, 902, 2255, 4510, 8849, 17698, 44245, 88490, 97339, 194678, 362809, 486695, 725618, 973390, 1814045, 3628090, 3990899, 7981798, 19954495, 39908990]

約数ペア:

[(1, 39908990), (2, 19954495), (5, 7981798), (10, 3990899), (11, 3628090), (22, 1814045), (41, 973390), (55, 725618), (82, 486695), (110, 362809), (205, 194678), (410, 97339), (451, 88490), (902, 44245), (2255, 17698), (4510, 8849)]