83987020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{323027}}^1$

素因数の和:323049

約数の個数: 24

約数和(自身を含む): 189940464

約数和(自身を除く): 105953444

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 323027, 646054, 1292108, 1615135, 3230270, 4199351, 6460540, 8398702, 16797404, 20996755, 41993510, 83987020]

約数ペア:

[(1, 83987020), (2, 41993510), (4, 20996755), (5, 16797404), (10, 8398702), (13, 6460540), (20, 4199351), (26, 3230270), (52, 1615135), (65, 1292108), (130, 646054), (260, 323027)]