72696740

素因数分解:

$2^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{4493}}^1$

素因数の和:5311

約数の個数: 24

約数和(自身を含む): 152885880

約数和(自身を除く): 80189140

約数列:

[1, 2, 4, 5, 10, 20, 809, 1618, 3236, 4045, 4493, 8090, 8986, 16180, 17972, 22465, 44930, 89860, 3634837, 7269674, 14539348, 18174185, 36348370, 72696740]

約数ペア:

[(1, 72696740), (2, 36348370), (4, 18174185), (5, 14539348), (10, 7269674), (20, 3634837), (809, 89860), (1618, 44930), (3236, 22465), (4045, 17972), (4493, 16180), (8090, 8986)]