2149644680

素因数分解:

$2^3\times 5^1\times {\mathrm{53741117}}^1$

素因数の和:53741128

約数の個数: 16

約数和(自身を含む): 4836700620

約数和(自身を除く): 2687055940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53741117, 107482234, 214964468, 268705585, 429928936, 537411170, 1074822340, 2149644680]

約数ペア:

[(1, 2149644680), (2, 1074822340), (4, 537411170), (5, 429928936), (8, 268705585), (10, 214964468), (20, 107482234), (40, 53741117)]