2011559920

素因数分解:

$2^4\times 5^1\times {\mathrm{1237}}^1\times {\mathrm{20327}}^1$

素因数の和:21577

約数の個数: 40

約数和(自身を含む): 4680887904

約数和(自身を除く): 2669327984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1237, 2474, 4948, 6185, 9896, 12370, 19792, 20327, 24740, 40654, 49480, 81308, 98960, 101635, 162616, 203270, 325232, 406540, 813080, 1626160, 25144499, 50288998, 100577996, 125722495, 201155992, 251444990, 402311984, 502889980, 1005779960, 2011559920]

約数ペア:

[(1, 2011559920), (2, 1005779960), (4, 502889980), (5, 402311984), (8, 251444990), (10, 201155992), (16, 125722495), (20, 100577996), (40, 50288998), (80, 25144499), (1237, 1626160), (2474, 813080), (4948, 406540), (6185, 325232), (9896, 203270), (12370, 162616), (19792, 101635), (20327, 98960), (24740, 81308), (40654, 49480)]