1377520

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1$

素因数の和:337

約数の個数: 40

約数和(自身を含む): 3263184

約数和(自身を除く): 1885664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 257, 268, 335, 514, 536, 670, 1028, 1072, 1285, 1340, 2056, 2570, 2680, 4112, 5140, 5360, 10280, 17219, 20560, 34438, 68876, 86095, 137752, 172190, 275504, 344380, 688760, 1377520]

約数ペア:

[(1, 1377520), (2, 688760), (4, 344380), (5, 275504), (8, 172190), (10, 137752), (16, 86095), (20, 68876), (40, 34438), (67, 20560), (80, 17219), (134, 10280), (257, 5360), (268, 5140), (335, 4112), (514, 2680), (536, 2570), (670, 2056), (1028, 1340), (1072, 1285)]