2155420640

素因数分解:

$2^5\times 5^1\times {\mathrm{13471379}}^1$

素因数の和:13471394

約数の個数: 24

約数和(自身を含む): 5092181640

約数和(自身を除く): 2936761000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 13471379, 26942758, 53885516, 67356895, 107771032, 134713790, 215542064, 269427580, 431084128, 538855160, 1077710320, 2155420640]

約数ペア:

[(1, 2155420640), (2, 1077710320), (4, 538855160), (5, 431084128), (8, 269427580), (10, 215542064), (16, 134713790), (20, 107771032), (32, 67356895), (40, 53885516), (80, 26942758), (160, 13471379)]