78264640

素因数分解:

$2^6\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1867}}^1$

素因数の和:2015

約数の個数: 56

約数和(自身を含む): 187890912

約数和(自身を除く): 109626272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 131, 160, 262, 320, 524, 655, 1048, 1310, 1867, 2096, 2620, 3734, 4192, 5240, 7468, 8384, 9335, 10480, 14936, 18670, 20960, 29872, 37340, 41920, 59744, 74680, 119488, 149360, 244577, 298720, 489154, 597440, 978308, 1222885, 1956616, 2445770, 3913232, 4891540, 7826464, 9783080, 15652928, 19566160, 39132320, 78264640]

約数ペア:

[(1, 78264640), (2, 39132320), (4, 19566160), (5, 15652928), (8, 9783080), (10, 7826464), (16, 4891540), (20, 3913232), (32, 2445770), (40, 1956616), (64, 1222885), (80, 978308), (131, 597440), (160, 489154), (262, 298720), (320, 244577), (524, 149360), (655, 119488), (1048, 74680), (1310, 59744), (1867, 41920), (2096, 37340), (2620, 29872), (3734, 20960), (4192, 18670), (5240, 14936), (7468, 10480), (8384, 9335)]