71529280

素因数分解:

$2^6\times 5^1\times {\mathrm{223529}}^1$

素因数の和:223546

約数の個数: 28

約数和(自身を含む): 170329860

約数和(自身を除く): 98800580

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 223529, 447058, 894116, 1117645, 1788232, 2235290, 3576464, 4470580, 7152928, 8941160, 14305856, 17882320, 35764640, 71529280]

約数ペア:

[(1, 71529280), (2, 35764640), (4, 17882320), (5, 14305856), (8, 8941160), (10, 7152928), (16, 4470580), (20, 3576464), (32, 2235290), (40, 1788232), (64, 1117645), (80, 894116), (160, 447058), (320, 223529)]