72342640

素因数分解:

$2^4\times 5^1\times {\mathrm{904283}}^1$

素因数の和:904296

約数の個数: 20

約数和(自身を含む): 168196824

約数和(自身を除く): 95854184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 904283, 1808566, 3617132, 4521415, 7234264, 9042830, 14468528, 18085660, 36171320, 72342640]

約数ペア:

[(1, 72342640), (2, 36171320), (4, 18085660), (5, 14468528), (8, 9042830), (10, 7234264), (16, 4521415), (20, 3617132), (40, 1808566), (80, 904283)]