4321780

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{769}}^1$

素因数の和:1059

約数の個数: 24

約数和(自身を含む): 9119880

約数和(自身を除く): 4798100

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 769, 1124, 1405, 1538, 2810, 3076, 3845, 5620, 7690, 15380, 216089, 432178, 864356, 1080445, 2160890, 4321780]

約数ペア:

[(1, 4321780), (2, 2160890), (4, 1080445), (5, 864356), (10, 432178), (20, 216089), (281, 15380), (562, 7690), (769, 5620), (1124, 3845), (1405, 3076), (1538, 2810)]