315387020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1213027}}^1$

素因数の和:1213049

約数の個数: 24

約数和(自身を含む): 713260464

約数和(自身を除く): 397873444

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1213027, 2426054, 4852108, 6065135, 12130270, 15769351, 24260540, 31538702, 63077404, 78846755, 157693510, 315387020]

約数ペア:

[(1, 315387020), (2, 157693510), (4, 78846755), (5, 63077404), (10, 31538702), (13, 24260540), (20, 15769351), (26, 12130270), (52, 6065135), (65, 4852108), (130, 2426054), (260, 1213027)]