67143820

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{13063}}^1$

素因数の和:13329

約数の個数: 24

約数和(自身を含む): 141561504

約数和(自身を除く): 74417684

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 13063, 26126, 52252, 65315, 130630, 261260, 3357191, 6714382, 13428764, 16785955, 33571910, 67143820]

約数ペア:

[(1, 67143820), (2, 33571910), (4, 16785955), (5, 13428764), (10, 6714382), (20, 3357191), (257, 261260), (514, 130630), (1028, 65315), (1285, 52252), (2570, 26126), (5140, 13063)]