67890220

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{12619}}^1$

素因数の和:12897

約数の個数: 24

約数和(自身を含む): 143110800

約数和(自身を除く): 75220580

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2690, 5380, 12619, 25238, 50476, 63095, 126190, 252380, 3394511, 6789022, 13578044, 16972555, 33945110, 67890220]

約数ペア:

[(1, 67890220), (2, 33945110), (4, 16972555), (5, 13578044), (10, 6789022), (20, 3394511), (269, 252380), (538, 126190), (1076, 63095), (1345, 50476), (2690, 25238), (5380, 12619)]