31004360

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{4937}}^1$

素因数の和:5105

約数の個数: 32

約数和(自身を含む): 70218360

約数和(自身を除く): 39214000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 4937, 6280, 9874, 19748, 24685, 39496, 49370, 98740, 197480, 775109, 1550218, 3100436, 3875545, 6200872, 7751090, 15502180, 31004360]

約数ペア:

[(1, 31004360), (2, 15502180), (4, 7751090), (5, 6200872), (8, 3875545), (10, 3100436), (20, 1550218), (40, 775109), (157, 197480), (314, 98740), (628, 49370), (785, 39496), (1256, 24685), (1570, 19748), (3140, 9874), (4937, 6280)]