2016165080

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{643}}^1\times {\mathrm{1823}}^1$

素因数の和:2520

約数の個数: 64

約数和(自身を含む): 4651637760

約数和(自身を除く): 2635472680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 643, 860, 1286, 1720, 1823, 2572, 3215, 3646, 5144, 6430, 7292, 9115, 12860, 14584, 18230, 25720, 27649, 36460, 55298, 72920, 78389, 110596, 138245, 156778, 221192, 276490, 313556, 391945, 552980, 627112, 783890, 1105960, 1172189, 1567780, 2344378, 3135560, 4688756, 5860945, 9377512, 11721890, 23443780, 46887560, 50404127, 100808254, 201616508, 252020635, 403233016, 504041270, 1008082540, 2016165080]

約数ペア:

[(1, 2016165080), (2, 1008082540), (4, 504041270), (5, 403233016), (8, 252020635), (10, 201616508), (20, 100808254), (40, 50404127), (43, 46887560), (86, 23443780), (172, 11721890), (215, 9377512), (344, 5860945), (430, 4688756), (643, 3135560), (860, 2344378), (1286, 1567780), (1720, 1172189), (1823, 1105960), (2572, 783890), (3215, 627112), (3646, 552980), (5144, 391945), (6430, 313556), (7292, 276490), (9115, 221192), (12860, 156778), (14584, 138245), (18230, 110596), (25720, 78389), (27649, 72920), (36460, 55298)]