16258640

素因数分解:

$2^4\times 5^1\times {\mathrm{203233}}^1$

素因数の和:203246

約数の個数: 20

約数和(自身を含む): 37801524

約数和(自身を除く): 21542884

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 203233, 406466, 812932, 1016165, 1625864, 2032330, 3251728, 4064660, 8129320, 16258640]

約数ペア:

[(1, 16258640), (2, 8129320), (4, 4064660), (5, 3251728), (8, 2032330), (10, 1625864), (16, 1016165), (20, 812932), (40, 406466), (80, 203233)]