16949320

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{863}}^1$

素因数の和:1365

約数の個数: 32

約数和(自身を含む): 38257920

約数和(自身を除く): 21308600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 863, 982, 1726, 1964, 2455, 3452, 3928, 4315, 4910, 6904, 8630, 9820, 17260, 19640, 34520, 423733, 847466, 1694932, 2118665, 3389864, 4237330, 8474660, 16949320]

約数ペア:

[(1, 16949320), (2, 8474660), (4, 4237330), (5, 3389864), (8, 2118665), (10, 1694932), (20, 847466), (40, 423733), (491, 34520), (863, 19640), (982, 17260), (1726, 9820), (1964, 8630), (2455, 6904), (3452, 4910), (3928, 4315)]