131581580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{506083}}^1$

素因数の和:506105

約数の個数: 24

約数和(自身を含む): 297577392

約数和(自身を除く): 165995812

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 506083, 1012166, 2024332, 2530415, 5060830, 6579079, 10121660, 13158158, 26316316, 32895395, 65790790, 131581580]

約数ペア:

[(1, 131581580), (2, 65790790), (4, 32895395), (5, 26316316), (10, 13158158), (13, 10121660), (20, 6579079), (26, 5060830), (52, 2530415), (65, 2024332), (130, 1012166), (260, 506083)]