80521210

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{14939}}^1$

素因数の和:14971

約数の個数: 48

約数和(自身を含む): 183941280

約数和(自身を除く): 103420070

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 385, 490, 539, 770, 1078, 2695, 5390, 14939, 29878, 74695, 104573, 149390, 164329, 209146, 328658, 522865, 732011, 821645, 1045730, 1150303, 1464022, 1643290, 2300606, 3660055, 5751515, 7320110, 8052121, 11503030, 16104242, 40260605, 80521210]

約数ペア:

[(1, 80521210), (2, 40260605), (5, 16104242), (7, 11503030), (10, 8052121), (11, 7320110), (14, 5751515), (22, 3660055), (35, 2300606), (49, 1643290), (55, 1464022), (70, 1150303), (77, 1045730), (98, 821645), (110, 732011), (154, 522865), (245, 328658), (385, 209146), (490, 164329), (539, 149390), (770, 104573), (1078, 74695), (2695, 29878), (5390, 14939)]