69982820

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{26711}}^1$

素因数の和:26851

約数の個数: 24

約数和(自身を含む): 148091328

約数和(自身を除く): 78108508

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 26711, 53422, 106844, 133555, 267110, 534220, 3499141, 6998282, 13996564, 17495705, 34991410, 69982820]

約数ペア:

[(1, 69982820), (2, 34991410), (4, 17495705), (5, 13996564), (10, 6998282), (20, 3499141), (131, 534220), (262, 267110), (524, 133555), (655, 106844), (1310, 53422), (2620, 26711)]