54908240

素因数分解:

$2^4\times 5^1\times {\mathrm{686353}}^1$

素因数の和:686366

約数の個数: 20

約数和(自身を含む): 127661844

約数和(自身を除く): 72753604

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 686353, 1372706, 2745412, 3431765, 5490824, 6863530, 10981648, 13727060, 27454120, 54908240]

約数ペア:

[(1, 54908240), (2, 27454120), (4, 13727060), (5, 10981648), (8, 6863530), (10, 5490824), (16, 3431765), (20, 2745412), (40, 1372706), (80, 686353)]