7990520

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{5399}}^1$

素因数の和:5447

約数の個数: 32

約数和(自身を含む): 18468000

約数和(自身を除く): 10477480

約数列:

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

約数ペア:

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