134442680

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{25657}}^1$

素因数の和:25799

約数の個数: 32

約数和(自身を含む): 304817040

約数和(自身を除く): 170374360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 25657, 51314, 102628, 128285, 205256, 256570, 513140, 1026280, 3361067, 6722134, 13444268, 16805335, 26888536, 33610670, 67221340, 134442680]

約数ペア:

[(1, 134442680), (2, 67221340), (4, 33610670), (5, 26888536), (8, 16805335), (10, 13444268), (20, 6722134), (40, 3361067), (131, 1026280), (262, 513140), (524, 256570), (655, 205256), (1048, 128285), (1310, 102628), (2620, 51314), (5240, 25657)]