16316240

素因数分解:

$2^4\times 5^1\times {\mathrm{203953}}^1$

素因数の和:203966

約数の個数: 20

約数和(自身を含む): 37935444

約数和(自身を除く): 21619204

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 203953, 407906, 815812, 1019765, 1631624, 2039530, 3263248, 4079060, 8158120, 16316240]

約数ペア:

[(1, 16316240), (2, 8158120), (4, 4079060), (5, 3263248), (8, 2039530), (10, 1631624), (16, 1019765), (20, 815812), (40, 407906), (80, 203953)]