1313440

素因数分解:

$2^5\times 5^1\times {\mathrm{8209}}^1$

素因数の和:8224

約数の個数: 24

約数和(自身を含む): 3103380

約数和(自身を除く): 1789940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 8209, 16418, 32836, 41045, 65672, 82090, 131344, 164180, 262688, 328360, 656720, 1313440]

約数ペア:

[(1, 1313440), (2, 656720), (4, 328360), (5, 262688), (8, 164180), (10, 131344), (16, 82090), (20, 65672), (32, 41045), (40, 32836), (80, 16418), (160, 8209)]