12996812620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1905691}}^1$

素因数の和:1905742

約数の個数: 48

約数和(自身を含む): 30735000576

約数和(自身を除く): 17738187956

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820, 1905691, 3811382, 7622764, 9528455, 19056910, 20962601, 38113820, 41925202, 59076421, 83850404, 104813005, 118152842, 209626010, 236305684, 295382105, 419252020, 590764210, 649840631, 1181528420, 1299681262, 2599362524, 3249203155, 6498406310, 12996812620]

約数ペア:

[(1, 12996812620), (2, 6498406310), (4, 3249203155), (5, 2599362524), (10, 1299681262), (11, 1181528420), (20, 649840631), (22, 590764210), (31, 419252020), (44, 295382105), (55, 236305684), (62, 209626010), (110, 118152842), (124, 104813005), (155, 83850404), (220, 59076421), (310, 41925202), (341, 38113820), (620, 20962601), (682, 19056910), (1364, 9528455), (1705, 7622764), (3410, 3811382), (6820, 1905691)]