25870180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4507}}^1$

素因数の和:4564

約数の個数: 48

約数和(自身を含む): 63616896

約数和(自身を除く): 37746716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 4507, 5740, 9014, 18028, 22535, 31549, 45070, 63098, 90140, 126196, 157745, 184787, 315490, 369574, 630980, 739148, 923935, 1293509, 1847870, 2587018, 3695740, 5174036, 6467545, 12935090, 25870180]

約数ペア:

[(1, 25870180), (2, 12935090), (4, 6467545), (5, 5174036), (7, 3695740), (10, 2587018), (14, 1847870), (20, 1293509), (28, 923935), (35, 739148), (41, 630980), (70, 369574), (82, 315490), (140, 184787), (164, 157745), (205, 126196), (287, 90140), (410, 63098), (574, 45070), (820, 31549), (1148, 22535), (1435, 18028), (2870, 9014), (4507, 5740)]