25562840

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9001}}^1$

素因数の和:9083

約数の個数: 32

約数和(自身を含む): 58332960

約数和(自身を除く): 32770120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 9001, 18002, 36004, 45005, 72008, 90010, 180020, 360040, 639071, 1278142, 2556284, 3195355, 5112568, 6390710, 12781420, 25562840]

約数ペア:

[(1, 25562840), (2, 12781420), (4, 6390710), (5, 5112568), (8, 3195355), (10, 2556284), (20, 1278142), (40, 639071), (71, 360040), (142, 180020), (284, 90010), (355, 72008), (568, 45005), (710, 36004), (1420, 18002), (2840, 9001)]