15880492520

素因数分解:

$2^3\times 5^1\times {\mathrm{2293}}^1\times {\mathrm{173141}}^1$

素因数の和:175445

約数の個数: 32

約数和(自身を含む): 35746897320

約数和(自身を除く): 19866404800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2293, 4586, 9172, 11465, 18344, 22930, 45860, 91720, 173141, 346282, 692564, 865705, 1385128, 1731410, 3462820, 6925640, 397012313, 794024626, 1588049252, 1985061565, 3176098504, 3970123130, 7940246260, 15880492520]

約数ペア:

[(1, 15880492520), (2, 7940246260), (4, 3970123130), (5, 3176098504), (8, 1985061565), (10, 1588049252), (20, 794024626), (40, 397012313), (2293, 6925640), (4586, 3462820), (9172, 1731410), (11465, 1385128), (18344, 865705), (22930, 692564), (45860, 346282), (91720, 173141)]