520099911280

素因数分解:

$2^4\times 5^1\times {\mathrm{6501248891}}^1$

素因数の和:6501248904

約数の個数: 20

約数和(自身を含む): 1209232293912

約数和(自身を除く): 689132382632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 6501248891, 13002497782, 26004995564, 32506244455, 52009991128, 65012488910, 104019982256, 130024977820, 260049955640, 520099911280]

約数ペア:

[(1, 520099911280), (2, 260049955640), (4, 130024977820), (5, 104019982256), (8, 65012488910), (10, 52009991128), (16, 32506244455), (20, 26004995564), (40, 13002497782), (80, 6501248891)]