820829553616

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{12497}}^1\times {\mathrm{10037}}^1$

素因数の和:22951

約数の個数: 40

約数和(自身を含む): 1594532084040

約数和(自身を除く): 773702530424

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 3272, 6544, 10037, 12497, 20074, 24994, 40148, 49988, 80296, 99976, 160592, 199952, 4105133, 5111273, 8210266, 10222546, 16420532, 20445092, 32841064, 40890184, 65682128, 81780368, 125432389, 250864778, 501729556, 1003459112, 2006918224, 51301847101, 102603694202, 205207388404, 410414776808, 820829553616]

約数ペア:

[(1, 820829553616), (2, 410414776808), (4, 205207388404), (8, 102603694202), (16, 51301847101), (409, 2006918224), (818, 1003459112), (1636, 501729556), (3272, 250864778), (6544, 125432389), (10037, 81780368), (12497, 65682128), (20074, 40890184), (24994, 32841064), (40148, 20445092), (49988, 16420532), (80296, 10222546), (99976, 8210266), (160592, 5111273), (199952, 4105133)]