8280140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{617}}^1$

素因数の和:698

約数の個数: 48

約数和(自身を含む): 19311264

約数和(自身を除く): 11031124

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 610, 617, 671, 1220, 1234, 1342, 2468, 2684, 3085, 3355, 6170, 6710, 6787, 12340, 13420, 13574, 27148, 33935, 37637, 67870, 75274, 135740, 150548, 188185, 376370, 414007, 752740, 828014, 1656028, 2070035, 4140070, 8280140]

約数ペア:

[(1, 8280140), (2, 4140070), (4, 2070035), (5, 1656028), (10, 828014), (11, 752740), (20, 414007), (22, 376370), (44, 188185), (55, 150548), (61, 135740), (110, 75274), (122, 67870), (220, 37637), (244, 33935), (305, 27148), (610, 13574), (617, 13420), (671, 12340), (1220, 6787), (1234, 6710), (1342, 6170), (2468, 3355), (2684, 3085)]