31482820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{22171}}^1$

素因数の和:22251

約数の個数: 24

約数和(自身を含む): 67048128

約数和(自身を除く): 35565308

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 22171, 44342, 88684, 110855, 221710, 443420, 1574141, 3148282, 6296564, 7870705, 15741410, 31482820]

約数ペア:

[(1, 31482820), (2, 15741410), (4, 7870705), (5, 6296564), (10, 3148282), (20, 1574141), (71, 443420), (142, 221710), (284, 110855), (355, 88684), (710, 44342), (1420, 22171)]