71565260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{275251}}^1$

素因数の和:275273

約数の個数: 24

約数和(自身を含む): 161848176

約数和(自身を除く): 90282916

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 275251, 550502, 1101004, 1376255, 2752510, 3578263, 5505020, 7156526, 14313052, 17891315, 35782630, 71565260]

約数ペア:

[(1, 71565260), (2, 35782630), (4, 17891315), (5, 14313052), (10, 7156526), (13, 5505020), (20, 3578263), (26, 2752510), (52, 1376255), (65, 1101004), (130, 550502), (260, 275251)]