85446140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{328639}}^1$

素因数の和:328661

約数の個数: 24

約数和(自身を含む): 193240320

約数和(自身を除く): 107794180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 328639, 657278, 1314556, 1643195, 3286390, 4272307, 6572780, 8544614, 17089228, 21361535, 42723070, 85446140]

約数ペア:

[(1, 85446140), (2, 42723070), (4, 21361535), (5, 17089228), (10, 8544614), (13, 6572780), (20, 4272307), (26, 3286390), (52, 1643195), (65, 1314556), (130, 657278), (260, 328639)]