1089680

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:323

約数の個数: 40

約数和(自身を含む): 2591352

約数和(自身を除く): 1501672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 257, 265, 424, 514, 530, 848, 1028, 1060, 1285, 2056, 2120, 2570, 4112, 4240, 5140, 10280, 13621, 20560, 27242, 54484, 68105, 108968, 136210, 217936, 272420, 544840, 1089680]

約数ペア:

[(1, 1089680), (2, 544840), (4, 272420), (5, 217936), (8, 136210), (10, 108968), (16, 68105), (20, 54484), (40, 27242), (53, 20560), (80, 13621), (106, 10280), (212, 5140), (257, 4240), (265, 4112), (424, 2570), (514, 2120), (530, 2056), (848, 1285), (1028, 1060)]