53989780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{207653}}^1$

素因数の和:207675

約数の個数: 24

約数和(自身を含む): 122100552

約数和(自身を除く): 68110772

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 207653, 415306, 830612, 1038265, 2076530, 2699489, 4153060, 5398978, 10797956, 13497445, 26994890, 53989780]

約数ペア:

[(1, 53989780), (2, 26994890), (4, 13497445), (5, 10797956), (10, 5398978), (13, 4153060), (20, 2699489), (26, 2076530), (52, 1038265), (65, 830612), (130, 415306), (260, 207653)]