6686420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25717}}^1$

素因数の和:25739

約数の個数: 24

約数和(自身を含む): 15122184

約数和(自身を除く): 8435764

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 25717, 51434, 102868, 128585, 257170, 334321, 514340, 668642, 1337284, 1671605, 3343210, 6686420]

約数ペア:

[(1, 6686420), (2, 3343210), (4, 1671605), (5, 1337284), (10, 668642), (13, 514340), (20, 334321), (26, 257170), (52, 128585), (65, 102868), (130, 51434), (260, 25717)]