64687520

素因数分解:

$2^5\times 5^1\times {\mathrm{461}}^1\times {\mathrm{877}}^1$

素因数の和:1353

約数の個数: 48

約数和(自身を含む): 153330408

約数和(自身を除く): 88642888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 461, 877, 922, 1754, 1844, 2305, 3508, 3688, 4385, 4610, 7016, 7376, 8770, 9220, 14032, 14752, 17540, 18440, 28064, 35080, 36880, 70160, 73760, 140320, 404297, 808594, 1617188, 2021485, 3234376, 4042970, 6468752, 8085940, 12937504, 16171880, 32343760, 64687520]

約数ペア:

[(1, 64687520), (2, 32343760), (4, 16171880), (5, 12937504), (8, 8085940), (10, 6468752), (16, 4042970), (20, 3234376), (32, 2021485), (40, 1617188), (80, 808594), (160, 404297), (461, 140320), (877, 73760), (922, 70160), (1754, 36880), (1844, 35080), (2305, 28064), (3508, 18440), (3688, 17540), (4385, 14752), (4610, 14032), (7016, 9220), (7376, 8770)]