66842669980

素因数分解:

$2^2\times 5^1\times {\mathrm{64621}}^1\times {\mathrm{51719}}^1$

素因数の和:116349

約数の個数: 24

約数和(自身を含む): 140374493280

約数和(自身を除く): 73531823300

約数列:

[1, 2, 4, 5, 10, 20, 51719, 64621, 103438, 129242, 206876, 258484, 258595, 323105, 517190, 646210, 1034380, 1292420, 3342133499, 6684266998, 13368533996, 16710667495, 33421334990, 66842669980]

約数ペア:

[(1, 66842669980), (2, 33421334990), (4, 16710667495), (5, 13368533996), (10, 6684266998), (20, 3342133499), (51719, 1292420), (64621, 1034380), (103438, 646210), (129242, 517190), (206876, 323105), (258484, 258595)]