40871180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{659}}^1$

素因数の和:1118

約数の個数: 48

約数和(自身を含む): 98461440

約数和(自身を除く): 57590260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 443, 659, 886, 1318, 1772, 2215, 2636, 3101, 3295, 4430, 4613, 6202, 6590, 8860, 9226, 12404, 13180, 15505, 18452, 23065, 31010, 46130, 62020, 92260, 291937, 583874, 1167748, 1459685, 2043559, 2919370, 4087118, 5838740, 8174236, 10217795, 20435590, 40871180]

約数ペア:

[(1, 40871180), (2, 20435590), (4, 10217795), (5, 8174236), (7, 5838740), (10, 4087118), (14, 2919370), (20, 2043559), (28, 1459685), (35, 1167748), (70, 583874), (140, 291937), (443, 92260), (659, 62020), (886, 46130), (1318, 31010), (1772, 23065), (2215, 18452), (2636, 15505), (3101, 13180), (3295, 12404), (4430, 9226), (4613, 8860), (6202, 6590)]