54311140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{208889}}^1$

素因数の和:208911

約数の個数: 24

約数和(自身を含む): 122827320

約数和(自身を除く): 68516180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 208889, 417778, 835556, 1044445, 2088890, 2715557, 4177780, 5431114, 10862228, 13577785, 27155570, 54311140]

約数ペア:

[(1, 54311140), (2, 27155570), (4, 13577785), (5, 10862228), (10, 5431114), (13, 4177780), (20, 2715557), (26, 2088890), (52, 1044445), (65, 835556), (130, 417778), (260, 208889)]