25420420

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{27043}}^1$

素因数の和:27099

約数の個数: 24

約数和(自身を含む): 54520704

約数和(自身を除く): 29100284

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 27043, 54086, 108172, 135215, 270430, 540860, 1271021, 2542042, 5084084, 6355105, 12710210, 25420420]

約数ペア:

[(1, 25420420), (2, 12710210), (4, 6355105), (5, 5084084), (10, 2542042), (20, 1271021), (47, 540860), (94, 270430), (188, 135215), (235, 108172), (470, 54086), (940, 27043)]