82240

素因数分解:

$2^6\times 5^1\times {\mathrm{257}}^1$

素因数の和:274

約数の個数: 28

約数和(自身を含む): 196596

約数和(自身を除く): 114356

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 257, 320, 514, 1028, 1285, 2056, 2570, 4112, 5140, 8224, 10280, 16448, 20560, 41120, 82240]

約数ペア:

[(1, 82240), (2, 41120), (4, 20560), (5, 16448), (8, 10280), (10, 8224), (16, 5140), (20, 4112), (32, 2570), (40, 2056), (64, 1285), (80, 1028), (160, 514), (257, 320)]