2220195088

素因数分解:

$2^4\times {\mathrm{439}}^1\times {\mathrm{316087}}^1$

素因数の和:316534

約数の個数: 20

約数和(自身を含む): 4311440320

約数和(自身を除く): 2091245232

約数列:

[1, 2, 4, 8, 16, 439, 878, 1756, 3512, 7024, 316087, 632174, 1264348, 2528696, 5057392, 138762193, 277524386, 555048772, 1110097544, 2220195088]

約数ペア:

[(1, 2220195088), (2, 1110097544), (4, 555048772), (8, 277524386), (16, 138762193), (439, 5057392), (878, 2528696), (1756, 1264348), (3512, 632174), (7024, 316087)]