25426480

素因数分解:

$2^4\times 5^1\times {\mathrm{317831}}^1$

素因数の和:317844

約数の個数: 20

約数和(自身を含む): 59116752

約数和(自身を除く): 33690272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 317831, 635662, 1271324, 1589155, 2542648, 3178310, 5085296, 6356620, 12713240, 25426480]

約数ペア:

[(1, 25426480), (2, 12713240), (4, 6356620), (5, 5085296), (8, 3178310), (10, 2542648), (16, 1589155), (20, 1271324), (40, 635662), (80, 317831)]