80900260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{10903}}^1$

素因数の和:10972

約数の個数: 48

約数和(自身を含む): 197842176

約数和(自身を除く): 116941916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 742, 1060, 1484, 1855, 3710, 7420, 10903, 21806, 43612, 54515, 76321, 109030, 152642, 218060, 305284, 381605, 577859, 763210, 1155718, 1526420, 2311436, 2889295, 4045013, 5778590, 8090026, 11557180, 16180052, 20225065, 40450130, 80900260]

約数ペア:

[(1, 80900260), (2, 40450130), (4, 20225065), (5, 16180052), (7, 11557180), (10, 8090026), (14, 5778590), (20, 4045013), (28, 2889295), (35, 2311436), (53, 1526420), (70, 1155718), (106, 763210), (140, 577859), (212, 381605), (265, 305284), (371, 218060), (530, 152642), (742, 109030), (1060, 76321), (1484, 54515), (1855, 43612), (3710, 21806), (7420, 10903)]