2022781480

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{5437}}^1$

素因数の和:5650

約数の個数: 64

約数和(自身を含む): 4651447680

約数和(自身を除く): 2628666200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 131, 142, 262, 284, 355, 524, 568, 655, 710, 1048, 1310, 1420, 2620, 2840, 5240, 5437, 9301, 10874, 18602, 21748, 27185, 37204, 43496, 46505, 54370, 74408, 93010, 108740, 186020, 217480, 372040, 386027, 712247, 772054, 1424494, 1544108, 1930135, 2848988, 3088216, 3561235, 3860270, 5697976, 7122470, 7720540, 14244940, 15441080, 28489880, 50569537, 101139074, 202278148, 252847685, 404556296, 505695370, 1011390740, 2022781480]

約数ペア:

[(1, 2022781480), (2, 1011390740), (4, 505695370), (5, 404556296), (8, 252847685), (10, 202278148), (20, 101139074), (40, 50569537), (71, 28489880), (131, 15441080), (142, 14244940), (262, 7720540), (284, 7122470), (355, 5697976), (524, 3860270), (568, 3561235), (655, 3088216), (710, 2848988), (1048, 1930135), (1310, 1544108), (1420, 1424494), (2620, 772054), (2840, 712247), (5240, 386027), (5437, 372040), (9301, 217480), (10874, 186020), (18602, 108740), (21748, 93010), (27185, 74408), (37204, 54370), (43496, 46505)]