12400225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{179}}^1$

素因数の和:369

約数の個数: 24

約数和(自身を含む): 16472160

約数和(自身を除く): 4071935

約数列:

[1, 5, 17, 25, 85, 163, 179, 425, 815, 895, 2771, 3043, 4075, 4475, 13855, 15215, 29177, 69275, 76075, 145885, 496009, 729425, 2480045, 12400225]

約数ペア:

[(1, 12400225), (5, 2480045), (17, 729425), (25, 496009), (85, 145885), (163, 76075), (179, 69275), (425, 29177), (815, 15215), (895, 13855), (2771, 4475), (3043, 4075)]