5400440

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1709}}^1$

素因数の和:1799

約数の個数: 32

約数和(自身を含む): 12312000

約数和(自身を除く): 6911560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 1709, 3160, 3418, 6836, 8545, 13672, 17090, 34180, 68360, 135011, 270022, 540044, 675055, 1080088, 1350110, 2700220, 5400440]

約数ペア:

[(1, 5400440), (2, 2700220), (4, 1350110), (5, 1080088), (8, 675055), (10, 540044), (20, 270022), (40, 135011), (79, 68360), (158, 34180), (316, 17090), (395, 13672), (632, 8545), (790, 6836), (1580, 3418), (1709, 3160)]