219779320

素因数分解:

$2^3\times 5^1\times {\mathrm{5494483}}^1$

素因数の和:5494494

約数の個数: 16

約数和(自身を含む): 494503560

約数和(自身を除く): 274724240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5494483, 10988966, 21977932, 27472415, 43955864, 54944830, 109889660, 219779320]

約数ペア:

[(1, 219779320), (2, 109889660), (4, 54944830), (5, 43955864), (8, 27472415), (10, 21977932), (20, 10988966), (40, 5494483)]