25456820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{74873}}^1$

素因数の和:74899

約数の個数: 24

約数和(自身を含む): 56604744

約数和(自身を除く): 31147924

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 74873, 149746, 299492, 374365, 748730, 1272841, 1497460, 2545682, 5091364, 6364205, 12728410, 25456820]

約数ペア:

[(1, 25456820), (2, 12728410), (4, 6364205), (5, 5091364), (10, 2545682), (17, 1497460), (20, 1272841), (34, 748730), (68, 374365), (85, 299492), (170, 149746), (340, 74873)]