2679140

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1381}}^1$

素因数の和:1487

約数の個数: 24

約数和(自身を含む): 5688312

約数和(自身を除く): 3009172

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1381, 1940, 2762, 5524, 6905, 13810, 27620, 133957, 267914, 535828, 669785, 1339570, 2679140]

約数ペア:

[(1, 2679140), (2, 1339570), (4, 669785), (5, 535828), (10, 267914), (20, 133957), (97, 27620), (194, 13810), (388, 6905), (485, 5524), (970, 2762), (1381, 1940)]