217079320

素因数分解:

$2^3\times 5^1\times {\mathrm{5426983}}^1$

素因数の和:5426994

約数の個数: 16

約数和(自身を含む): 488428560

約数和(自身を除く): 271349240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5426983, 10853966, 21707932, 27134915, 43415864, 54269830, 108539660, 217079320]

約数ペア:

[(1, 217079320), (2, 108539660), (4, 54269830), (5, 43415864), (8, 27134915), (10, 21707932), (20, 10853966), (40, 5426983)]