4138810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:143

約数の個数: 48

約数和(自身を含む): 8432640

約数和(自身を除く): 4293830

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 79, 130, 155, 158, 169, 310, 338, 395, 403, 790, 806, 845, 1027, 1690, 2015, 2054, 2449, 4030, 4898, 5135, 5239, 10270, 10478, 12245, 13351, 24490, 26195, 26702, 31837, 52390, 63674, 66755, 133510, 159185, 318370, 413881, 827762, 2069405, 4138810]

約数ペア:

[(1, 4138810), (2, 2069405), (5, 827762), (10, 413881), (13, 318370), (26, 159185), (31, 133510), (62, 66755), (65, 63674), (79, 52390), (130, 31837), (155, 26702), (158, 26195), (169, 24490), (310, 13351), (338, 12245), (395, 10478), (403, 10270), (790, 5239), (806, 5135), (845, 4898), (1027, 4030), (1690, 2449), (2015, 2054)]