28348060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{8387}}^1$

素因数の和:8422

約数の個数: 36

約数和(自身を含む): 64470168

約数和(自身を除く): 36122108

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 8387, 16774, 33548, 41935, 83870, 109031, 167740, 218062, 436124, 545155, 1090310, 1417403, 2180620, 2834806, 5669612, 7087015, 14174030, 28348060]

約数ペア:

[(1, 28348060), (2, 14174030), (4, 7087015), (5, 5669612), (10, 2834806), (13, 2180620), (20, 1417403), (26, 1090310), (52, 545155), (65, 436124), (130, 218062), (169, 167740), (260, 109031), (338, 83870), (676, 41935), (845, 33548), (1690, 16774), (3380, 8387)]