538246640

素因数分解:

$2^4\times 5^1\times {\mathrm{6728083}}^1$

素因数の和:6728096

約数の個数: 20

約数和(自身を含む): 1251423624

約数和(自身を除く): 713176984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 6728083, 13456166, 26912332, 33640415, 53824664, 67280830, 107649328, 134561660, 269123320, 538246640]

約数ペア:

[(1, 538246640), (2, 269123320), (4, 134561660), (5, 107649328), (8, 67280830), (10, 53824664), (16, 33640415), (20, 26912332), (40, 13456166), (80, 6728083)]