51739760

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{4937}}^1$

素因数の和:5081

約数の個数: 40

約数和(自身を含む): 121237776

約数和(自身を除く): 69498016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 4937, 5240, 9874, 10480, 19748, 24685, 39496, 49370, 78992, 98740, 197480, 394960, 646747, 1293494, 2586988, 3233735, 5173976, 6467470, 10347952, 12934940, 25869880, 51739760]

約数ペア:

[(1, 51739760), (2, 25869880), (4, 12934940), (5, 10347952), (8, 6467470), (10, 5173976), (16, 3233735), (20, 2586988), (40, 1293494), (80, 646747), (131, 394960), (262, 197480), (524, 98740), (655, 78992), (1048, 49370), (1310, 39496), (2096, 24685), (2620, 19748), (4937, 10480), (5240, 9874)]