25108580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{25621}}^1$

素因数の和:25644

約数の個数: 36

約数和(自身を含む): 61339068

約数和(自身を除く): 36230488

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 25621, 51242, 102484, 128105, 179347, 256210, 358694, 512420, 717388, 896735, 1255429, 1793470, 2510858, 3586940, 5021716, 6277145, 12554290, 25108580]

約数ペア:

[(1, 25108580), (2, 12554290), (4, 6277145), (5, 5021716), (7, 3586940), (10, 2510858), (14, 1793470), (20, 1255429), (28, 896735), (35, 717388), (49, 512420), (70, 358694), (98, 256210), (140, 179347), (196, 128105), (245, 102484), (490, 51242), (980, 25621)]