71292820

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{27211}}^1$

素因数の和:27351

約数の個数: 24

約数和(自身を含む): 150863328

約数和(自身を除く): 79570508

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 27211, 54422, 108844, 136055, 272110, 544220, 3564641, 7129282, 14258564, 17823205, 35646410, 71292820]

約数ペア:

[(1, 71292820), (2, 35646410), (4, 17823205), (5, 14258564), (10, 7129282), (20, 3564641), (131, 544220), (262, 272110), (524, 136055), (655, 108844), (1310, 54422), (2620, 27211)]