1346680

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 3065040

約数和(自身を除く): 1718360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 257, 262, 514, 524, 655, 1028, 1048, 1285, 1310, 2056, 2570, 2620, 5140, 5240, 10280, 33667, 67334, 134668, 168335, 269336, 336670, 673340, 1346680]

約数ペア:

[(1, 1346680), (2, 673340), (4, 336670), (5, 269336), (8, 168335), (10, 134668), (20, 67334), (40, 33667), (131, 10280), (257, 5240), (262, 5140), (514, 2620), (524, 2570), (655, 2056), (1028, 1310), (1048, 1285)]