2803060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10781}}^1$

素因数の和:10803

約数の個数: 24

約数和(自身を含む): 6339816

約数和(自身を除く): 3536756

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 10781, 21562, 43124, 53905, 107810, 140153, 215620, 280306, 560612, 700765, 1401530, 2803060]

約数ペア:

[(1, 2803060), (2, 1401530), (4, 700765), (5, 560612), (10, 280306), (13, 215620), (20, 140153), (26, 107810), (52, 53905), (65, 43124), (130, 21562), (260, 10781)]