16562780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{63703}}^1$

素因数の和:63725

約数の個数: 24

約数和(自身を含む): 37457952

約数和(自身を除く): 20895172

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 63703, 127406, 254812, 318515, 637030, 828139, 1274060, 1656278, 3312556, 4140695, 8281390, 16562780]

約数ペア:

[(1, 16562780), (2, 8281390), (4, 4140695), (5, 3312556), (10, 1656278), (13, 1274060), (20, 828139), (26, 637030), (52, 318515), (65, 254812), (130, 127406), (260, 63703)]