19706560

素因数分解:

$2^6\times 5^1\times {\mathrm{61583}}^1$

素因数の和:61600

約数の個数: 28

約数和(自身を含む): 46927008

約数和(自身を除く): 27220448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 61583, 123166, 246332, 307915, 492664, 615830, 985328, 1231660, 1970656, 2463320, 3941312, 4926640, 9853280, 19706560]

約数ペア:

[(1, 19706560), (2, 9853280), (4, 4926640), (5, 3941312), (8, 2463320), (10, 1970656), (16, 1231660), (20, 985328), (32, 615830), (40, 492664), (64, 307915), (80, 246332), (160, 123166), (320, 61583)]