215536280

素因数分解:

$2^3\times 5^1\times {\mathrm{5388407}}^1$

素因数の和:5388418

約数の個数: 16

約数和(自身を含む): 484956720

約数和(自身を除く): 269420440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5388407, 10776814, 21553628, 26942035, 43107256, 53884070, 107768140, 215536280]

約数ペア:

[(1, 215536280), (2, 107768140), (4, 53884070), (5, 43107256), (8, 26942035), (10, 21553628), (20, 10776814), (40, 5388407)]