15981040

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{5399}}^1$

素因数の和:5449

約数の個数: 40

約数和(自身を含む): 38167200

約数和(自身を除く): 22186160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 5399, 10798, 21596, 26995, 43192, 53990, 86384, 107980, 199763, 215960, 399526, 431920, 799052, 998815, 1598104, 1997630, 3196208, 3995260, 7990520, 15981040]

約数ペア:

[(1, 15981040), (2, 7990520), (4, 3995260), (5, 3196208), (8, 1997630), (10, 1598104), (16, 998815), (20, 799052), (37, 431920), (40, 399526), (74, 215960), (80, 199763), (148, 107980), (185, 86384), (296, 53990), (370, 43192), (592, 26995), (740, 21596), (1480, 10798), (2960, 5399)]