1409680

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1$

素因数の和:343

約数の個数: 40

約数和(自身を含む): 3339072

約数和(自身を除く): 1929392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 263, 268, 335, 526, 536, 670, 1052, 1072, 1315, 1340, 2104, 2630, 2680, 4208, 5260, 5360, 10520, 17621, 21040, 35242, 70484, 88105, 140968, 176210, 281936, 352420, 704840, 1409680]

約数ペア:

[(1, 1409680), (2, 704840), (4, 352420), (5, 281936), (8, 176210), (10, 140968), (16, 88105), (20, 70484), (40, 35242), (67, 21040), (80, 17621), (134, 10520), (263, 5360), (268, 5260), (335, 4208), (526, 2680), (536, 2630), (670, 2104), (1052, 1340), (1072, 1315)]