264370760

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{25717}}^1$

素因数の和:25985

約数の個数: 32

約数和(自身を含む): 597171960

約数和(自身を除く): 332801200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 10280, 25717, 51434, 102868, 128585, 205736, 257170, 514340, 1028680, 6609269, 13218538, 26437076, 33046345, 52874152, 66092690, 132185380, 264370760]

約数ペア:

[(1, 264370760), (2, 132185380), (4, 66092690), (5, 52874152), (8, 33046345), (10, 26437076), (20, 13218538), (40, 6609269), (257, 1028680), (514, 514340), (1028, 257170), (1285, 205736), (2056, 128585), (2570, 102868), (5140, 51434), (10280, 25717)]