71536720

素因数分解:

$2^4\times 5^1\times {\mathrm{894209}}^1$

素因数の和:894222

約数の個数: 20

約数和(自身を含む): 166323060

約数和(自身を除く): 94786340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 894209, 1788418, 3576836, 4471045, 7153672, 8942090, 14307344, 17884180, 35768360, 71536720]

約数ペア:

[(1, 71536720), (2, 35768360), (4, 17884180), (5, 14307344), (8, 8942090), (10, 7153672), (16, 4471045), (20, 3576836), (40, 1788418), (80, 894209)]