27428140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{80671}}^1$

素因数の和:80697

約数の個数: 24

約数和(自身を含む): 60988032

約数和(自身を除く): 33559892

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 80671, 161342, 322684, 403355, 806710, 1371407, 1613420, 2742814, 5485628, 6857035, 13714070, 27428140]

約数ペア:

[(1, 27428140), (2, 13714070), (4, 6857035), (5, 5485628), (10, 2742814), (17, 1613420), (20, 1371407), (34, 806710), (68, 403355), (85, 322684), (170, 161342), (340, 80671)]