25880860

素因数分解:

$2^2\times 5^1\times {\mathrm{613}}^1\times {\mathrm{2111}}^1$

素因数の和:2733

約数の個数: 24

約数和(自身を含む): 54464256

約数和(自身を除く): 28583396

約数列:

[1, 2, 4, 5, 10, 20, 613, 1226, 2111, 2452, 3065, 4222, 6130, 8444, 10555, 12260, 21110, 42220, 1294043, 2588086, 5176172, 6470215, 12940430, 25880860]

約数ペア:

[(1, 25880860), (2, 12940430), (4, 6470215), (5, 5176172), (10, 2588086), (20, 1294043), (613, 42220), (1226, 21110), (2111, 12260), (2452, 10555), (3065, 8444), (4222, 6130)]