1615671280

素因数分解:

$2^4\times 5^1\times {\mathrm{20195891}}^1$

素因数の和:20195904

約数の個数: 20

約数和(自身を含む): 3756435912

約数和(自身を除く): 2140764632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 20195891, 40391782, 80783564, 100979455, 161567128, 201958910, 323134256, 403917820, 807835640, 1615671280]

約数ペア:

[(1, 1615671280), (2, 807835640), (4, 403917820), (5, 323134256), (8, 201958910), (10, 161567128), (16, 100979455), (20, 80783564), (40, 40391782), (80, 20195891)]