20162591080

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{8263357}}^1$

素因数の和:8263429

約数の個数: 32

約数和(自身を含む): 46109537640

約数和(自身を除く): 25946946560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 8263357, 16526714, 33053428, 41316785, 66106856, 82633570, 165267140, 330534280, 504064777, 1008129554, 2016259108, 2520323885, 4032518216, 5040647770, 10081295540, 20162591080]

約数ペア:

[(1, 20162591080), (2, 10081295540), (4, 5040647770), (5, 4032518216), (8, 2520323885), (10, 2016259108), (20, 1008129554), (40, 504064777), (61, 330534280), (122, 165267140), (244, 82633570), (305, 66106856), (488, 41316785), (610, 33053428), (1220, 16526714), (2440, 8263357)]