71313580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{274283}}^1$

素因数の和:274305

約数の個数: 24

約数和(自身を含む): 161278992

約数和(自身を除く): 89965412

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 274283, 548566, 1097132, 1371415, 2742830, 3565679, 5485660, 7131358, 14262716, 17828395, 35656790, 71313580]

約数ペア:

[(1, 71313580), (2, 35656790), (4, 17828395), (5, 14262716), (10, 7131358), (13, 5485660), (20, 3565679), (26, 2742830), (52, 1371415), (65, 1097132), (130, 548566), (260, 274283)]