2140940

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{641}}^1$

素因数の和:817

約数の個数: 24

約数和(自身を含む): 4529952

約数和(自身を除く): 2389012

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 641, 668, 835, 1282, 1670, 2564, 3205, 3340, 6410, 12820, 107047, 214094, 428188, 535235, 1070470, 2140940]

約数ペア:

[(1, 2140940), (2, 1070470), (4, 535235), (5, 428188), (10, 214094), (20, 107047), (167, 12820), (334, 6410), (641, 3340), (668, 3205), (835, 2564), (1282, 1670)]