54464720

素因数分解:

$2^4\times 5^1\times {\mathrm{680809}}^1$

素因数の和:680822

約数の個数: 20

約数和(自身を含む): 126630660

約数和(自身を除く): 72165940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 680809, 1361618, 2723236, 3404045, 5446472, 6808090, 10892944, 13616180, 27232360, 54464720]

約数ペア:

[(1, 54464720), (2, 27232360), (4, 13616180), (5, 10892944), (8, 6808090), (10, 5446472), (16, 3404045), (20, 2723236), (40, 1361618), (80, 680809)]