66489320

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{72271}}^1$

素因数の和:72305

約数の個数: 32

約数和(自身を含む): 156107520

約数和(自身を除く): 89618200

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 72271, 144542, 289084, 361355, 578168, 722710, 1445420, 1662233, 2890840, 3324466, 6648932, 8311165, 13297864, 16622330, 33244660, 66489320]

約数ペア:

[(1, 66489320), (2, 33244660), (4, 16622330), (5, 13297864), (8, 8311165), (10, 6648932), (20, 3324466), (23, 2890840), (40, 1662233), (46, 1445420), (92, 722710), (115, 578168), (184, 361355), (230, 289084), (460, 144542), (920, 72271)]