12798940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8311}}^1$

素因数の和:8338

約数の個数: 48

約数和(自身を含む): 33513984

約数和(自身を除く): 20715044

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 8311, 16622, 33244, 41555, 58177, 83110, 91421, 116354, 166220, 182842, 232708, 290885, 365684, 457105, 581770, 639947, 914210, 1163540, 1279894, 1828420, 2559788, 3199735, 6399470, 12798940]

約数ペア:

[(1, 12798940), (2, 6399470), (4, 3199735), (5, 2559788), (7, 1828420), (10, 1279894), (11, 1163540), (14, 914210), (20, 639947), (22, 581770), (28, 457105), (35, 365684), (44, 290885), (55, 232708), (70, 182842), (77, 166220), (110, 116354), (140, 91421), (154, 83110), (220, 58177), (308, 41555), (385, 33244), (770, 16622), (1540, 8311)]