40007770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{907}}^1$

素因数の和:1326

約数の個数: 32

約数和(自身を含む): 78843456

約数和(自身を除く): 38835686

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 401, 802, 907, 1814, 2005, 4010, 4411, 4535, 8822, 9070, 9977, 19954, 22055, 44110, 49885, 99770, 363707, 727414, 1818535, 3637070, 4000777, 8001554, 20003885, 40007770]

約数ペア:

[(1, 40007770), (2, 20003885), (5, 8001554), (10, 4000777), (11, 3637070), (22, 1818535), (55, 727414), (110, 363707), (401, 99770), (802, 49885), (907, 44110), (1814, 22055), (2005, 19954), (4010, 9977), (4411, 9070), (4535, 8822)]