87007040

素因数分解:

$2^6\times 5^1\times {\mathrm{271897}}^1$

素因数の和:271914

約数の個数: 28

約数和(自身を含む): 207186276

約数和(自身を除く): 120179236

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 271897, 543794, 1087588, 1359485, 2175176, 2718970, 4350352, 5437940, 8700704, 10875880, 17401408, 21751760, 43503520, 87007040]

約数ペア:

[(1, 87007040), (2, 43503520), (4, 21751760), (5, 17401408), (8, 10875880), (10, 8700704), (16, 5437940), (20, 4350352), (32, 2718970), (40, 2175176), (64, 1359485), (80, 1087588), (160, 543794), (320, 271897)]