884080

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:313

約数の個数: 40

約数和(自身を含む): 2111472

約数和(自身を除く): 1227392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 257, 344, 430, 514, 688, 860, 1028, 1285, 1720, 2056, 2570, 3440, 4112, 5140, 10280, 11051, 20560, 22102, 44204, 55255, 88408, 110510, 176816, 221020, 442040, 884080]

約数ペア:

[(1, 884080), (2, 442040), (4, 221020), (5, 176816), (8, 110510), (10, 88408), (16, 55255), (20, 44204), (40, 22102), (43, 20560), (80, 11051), (86, 10280), (172, 5140), (215, 4112), (257, 3440), (344, 2570), (430, 2056), (514, 1720), (688, 1285), (860, 1028)]