143017520

素因数分解:

$2^4\times 5^1\times {\mathrm{1787719}}^1$

素因数の和:1787732

約数の個数: 20

約数和(自身を含む): 332515920

約数和(自身を除く): 189498400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1787719, 3575438, 7150876, 8938595, 14301752, 17877190, 28603504, 35754380, 71508760, 143017520]

約数ペア:

[(1, 143017520), (2, 71508760), (4, 35754380), (5, 28603504), (8, 17877190), (10, 14301752), (16, 8938595), (20, 7150876), (40, 3575438), (80, 1787719)]