71476220

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{27281}}^1$

素因数の和:27421

約数の個数: 24

約数和(自身を含む): 151251408

約数和(自身を除く): 79775188

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 27281, 54562, 109124, 136405, 272810, 545620, 3573811, 7147622, 14295244, 17869055, 35738110, 71476220]

約数ペア:

[(1, 71476220), (2, 35738110), (4, 17869055), (5, 14295244), (10, 7147622), (20, 3573811), (131, 545620), (262, 272810), (524, 136405), (655, 109124), (1310, 54562), (2620, 27281)]