25787632

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{123979}}^1$

素因数の和:124000

約数の個数: 20

約数和(自身を含む): 53807320

約数和(自身を除く): 28019688

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 123979, 247958, 495916, 991832, 1611727, 1983664, 3223454, 6446908, 12893816, 25787632]

約数ペア:

[(1, 25787632), (2, 12893816), (4, 6446908), (8, 3223454), (13, 1983664), (16, 1611727), (26, 991832), (52, 495916), (104, 247958), (208, 123979)]