80871665

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{37879}}^1$

素因数の和:37952

約数の個数: 16

約数和(自身を含む): 112730880

約数和(自身を除く): 31859215

約数列:

[1, 5, 7, 35, 61, 305, 427, 2135, 37879, 189395, 265153, 1325765, 2310619, 11553095, 16174333, 80871665]

約数ペア:

[(1, 80871665), (5, 16174333), (7, 11553095), (35, 2310619), (61, 1325765), (305, 265153), (427, 189395), (2135, 37879)]