25621580

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{281}}^1$

素因数の和:434

約数の個数: 48

約数和(自身を含む): 55714176

約数和(自身を除く): 30092596

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 97, 188, 194, 235, 281, 388, 470, 485, 562, 940, 970, 1124, 1405, 1940, 2810, 4559, 5620, 9118, 13207, 18236, 22795, 26414, 27257, 45590, 52828, 54514, 66035, 91180, 109028, 132070, 136285, 264140, 272570, 545140, 1281079, 2562158, 5124316, 6405395, 12810790, 25621580]

約数ペア:

[(1, 25621580), (2, 12810790), (4, 6405395), (5, 5124316), (10, 2562158), (20, 1281079), (47, 545140), (94, 272570), (97, 264140), (188, 136285), (194, 132070), (235, 109028), (281, 91180), (388, 66035), (470, 54514), (485, 52828), (562, 45590), (940, 27257), (970, 26414), (1124, 22795), (1405, 18236), (1940, 13207), (2810, 9118), (4559, 5620)]