1243540

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{641}}^1$

素因数の和:747

約数の個数: 24

約数和(自身を含む): 2642472

約数和(自身を除く): 1398932

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 641, 970, 1282, 1940, 2564, 3205, 6410, 12820, 62177, 124354, 248708, 310885, 621770, 1243540]

約数ペア:

[(1, 1243540), (2, 621770), (4, 310885), (5, 248708), (10, 124354), (20, 62177), (97, 12820), (194, 6410), (388, 3205), (485, 2564), (641, 1940), (970, 1282)]