68526280

素因数分解:

$2^3\times 5^1\times {\mathrm{1291}}^1\times {\mathrm{1327}}^1$

素因数の和:2629

約数の個数: 32

約数和(自身を含む): 154419840

約数和(自身を除く): 85893560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1291, 1327, 2582, 2654, 5164, 5308, 6455, 6635, 10328, 10616, 12910, 13270, 25820, 26540, 51640, 53080, 1713157, 3426314, 6852628, 8565785, 13705256, 17131570, 34263140, 68526280]

約数ペア:

[(1, 68526280), (2, 34263140), (4, 17131570), (5, 13705256), (8, 8565785), (10, 6852628), (20, 3426314), (40, 1713157), (1291, 53080), (1327, 51640), (2582, 26540), (2654, 25820), (5164, 13270), (5308, 12910), (6455, 10616), (6635, 10328)]