78848620

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{20641}}^1$

素因数の和:20841

約数の個数: 24

約数和(自身を含む): 166457088

約数和(自身を除く): 87608468

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 20641, 41282, 82564, 103205, 206410, 412820, 3942431, 7884862, 15769724, 19712155, 39424310, 78848620]

約数ペア:

[(1, 78848620), (2, 39424310), (4, 19712155), (5, 15769724), (10, 7884862), (20, 3942431), (191, 412820), (382, 206410), (764, 103205), (955, 82564), (1910, 41282), (3820, 20641)]