25102020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{953}}^1$

素因数の和:1404

約数の個数: 48

約数和(自身を含む): 70519680

約数和(自身を除く): 45417660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 439, 878, 953, 1317, 1756, 1906, 2195, 2634, 2859, 3812, 4390, 4765, 5268, 5718, 6585, 8780, 9530, 11436, 13170, 14295, 19060, 26340, 28590, 57180, 418367, 836734, 1255101, 1673468, 2091835, 2510202, 4183670, 5020404, 6275505, 8367340, 12551010, 25102020]

約数ペア:

[(1, 25102020), (2, 12551010), (3, 8367340), (4, 6275505), (5, 5020404), (6, 4183670), (10, 2510202), (12, 2091835), (15, 1673468), (20, 1255101), (30, 836734), (60, 418367), (439, 57180), (878, 28590), (953, 26340), (1317, 19060), (1756, 14295), (1906, 13170), (2195, 11436), (2634, 9530), (2859, 8780), (3812, 6585), (4390, 5718), (4765, 5268)]