520080325

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{7919}}^1$

素因数の和:8037

約数の個数: 24

約数和(自身を含む): 671742720

約数和(自身を除く): 151662395

約数列:

[1, 5, 25, 37, 71, 185, 355, 925, 1775, 2627, 7919, 13135, 39595, 65675, 197975, 293003, 562249, 1465015, 2811245, 7325075, 14056225, 20803213, 104016065, 520080325]

約数ペア:

[(1, 520080325), (5, 104016065), (25, 20803213), (37, 14056225), (71, 7325075), (185, 2811245), (355, 1465015), (925, 562249), (1775, 293003), (2627, 197975), (7919, 65675), (13135, 39595)]