66051820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{739}}^1$

素因数の和:898

約数の個数: 48

約数和(自身を含む): 143589600

約数和(自身を除く): 77537780

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 109, 164, 205, 218, 410, 436, 545, 739, 820, 1090, 1478, 2180, 2956, 3695, 4469, 7390, 8938, 14780, 17876, 22345, 30299, 44690, 60598, 80551, 89380, 121196, 151495, 161102, 302990, 322204, 402755, 605980, 805510, 1611020, 3302591, 6605182, 13210364, 16512955, 33025910, 66051820]

約数ペア:

[(1, 66051820), (2, 33025910), (4, 16512955), (5, 13210364), (10, 6605182), (20, 3302591), (41, 1611020), (82, 805510), (109, 605980), (164, 402755), (205, 322204), (218, 302990), (410, 161102), (436, 151495), (545, 121196), (739, 89380), (820, 80551), (1090, 60598), (1478, 44690), (2180, 30299), (2956, 22345), (3695, 17876), (4469, 14780), (7390, 8938)]