5161780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19853}}^1$

素因数の和:19875

約数の個数: 24

約数和(自身を含む): 11674152

約数和(自身を除く): 6512372

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 19853, 39706, 79412, 99265, 198530, 258089, 397060, 516178, 1032356, 1290445, 2580890, 5161780]

約数ペア:

[(1, 5161780), (2, 2580890), (4, 1290445), (5, 1032356), (10, 516178), (13, 397060), (20, 258089), (26, 198530), (52, 99265), (65, 79412), (130, 39706), (260, 19853)]