85841680

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{8191}}^1$

素因数の和:8335

約数の個数: 40

約数和(自身を含む): 201129984

約数和(自身を除く): 115288304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 5240, 8191, 10480, 16382, 32764, 40955, 65528, 81910, 131056, 163820, 327640, 655280, 1073021, 2146042, 4292084, 5365105, 8584168, 10730210, 17168336, 21460420, 42920840, 85841680]

約数ペア:

[(1, 85841680), (2, 42920840), (4, 21460420), (5, 17168336), (8, 10730210), (10, 8584168), (16, 5365105), (20, 4292084), (40, 2146042), (80, 1073021), (131, 655280), (262, 327640), (524, 163820), (655, 131056), (1048, 81910), (1310, 65528), (2096, 40955), (2620, 32764), (5240, 16382), (8191, 10480)]