78389804560

素因数分解:

$2^4\times 5^1\times {\mathrm{461}}^1\times {\mathrm{2125537}}^1$

素因数の和:2126011

約数の個数: 40

約数和(自身を含む): 182651731416

約数和(自身を除く): 104261926856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 461, 922, 1844, 2305, 3688, 4610, 7376, 9220, 18440, 36880, 2125537, 4251074, 8502148, 10627685, 17004296, 21255370, 34008592, 42510740, 85021480, 170042960, 979872557, 1959745114, 3919490228, 4899362785, 7838980456, 9798725570, 15677960912, 19597451140, 39194902280, 78389804560]

約数ペア:

[(1, 78389804560), (2, 39194902280), (4, 19597451140), (5, 15677960912), (8, 9798725570), (10, 7838980456), (16, 4899362785), (20, 3919490228), (40, 1959745114), (80, 979872557), (461, 170042960), (922, 85021480), (1844, 42510740), (2305, 34008592), (3688, 21255370), (4610, 17004296), (7376, 10627685), (9220, 8502148), (18440, 4251074), (36880, 2125537)]