67221340

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{25657}}^1$

素因数の和:25797

約数の個数: 24

約数和(自身を含む): 142247952

約数和(自身を除く): 75026612

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 25657, 51314, 102628, 128285, 256570, 513140, 3361067, 6722134, 13444268, 16805335, 33610670, 67221340]

約数ペア:

[(1, 67221340), (2, 33610670), (4, 16805335), (5, 13444268), (10, 6722134), (20, 3361067), (131, 513140), (262, 256570), (524, 128285), (655, 102628), (1310, 51314), (2620, 25657)]