2579408080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1696979}}^1$

素因数の和:1697011

約数の個数: 40

約数和(自身を含む): 6312765600

約数和(自身を除く): 3733357520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1696979, 3393958, 6787916, 8484895, 13575832, 16969790, 27151664, 32242601, 33939580, 64485202, 67879160, 128970404, 135758320, 161213005, 257940808, 322426010, 515881616, 644852020, 1289704040, 2579408080]

約数ペア:

[(1, 2579408080), (2, 1289704040), (4, 644852020), (5, 515881616), (8, 322426010), (10, 257940808), (16, 161213005), (19, 135758320), (20, 128970404), (38, 67879160), (40, 64485202), (76, 33939580), (80, 32242601), (95, 27151664), (152, 16969790), (190, 13575832), (304, 8484895), (380, 6787916), (760, 3393958), (1520, 1696979)]