20161236230

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1\times {\mathrm{71971}}^1$

素因数の和:72344

約数の個数: 32

約数和(自身を含む): 36766176480

約数和(自身を除く): 16604940250

約数列:

[1, 2, 5, 10, 109, 218, 257, 514, 545, 1090, 1285, 2570, 28013, 56026, 71971, 140065, 143942, 280130, 359855, 719710, 7844839, 15689678, 18496547, 36993094, 39224195, 78448390, 92482735, 184965470, 2016123623, 4032247246, 10080618115, 20161236230]

約数ペア:

[(1, 20161236230), (2, 10080618115), (5, 4032247246), (10, 2016123623), (109, 184965470), (218, 92482735), (257, 78448390), (514, 39224195), (545, 36993094), (1090, 18496547), (1285, 15689678), (2570, 7844839), (28013, 719710), (56026, 359855), (71971, 280130), (140065, 143942)]