25757260

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{7901}}^1$

素因数の和:8073

約数の個数: 24

約数和(自身を含む): 54428976

約数和(自身を除く): 28671716

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 7901, 15802, 31604, 39505, 79010, 158020, 1287863, 2575726, 5151452, 6439315, 12878630, 25757260]

約数ペア:

[(1, 25757260), (2, 12878630), (4, 6439315), (5, 5151452), (10, 2575726), (20, 1287863), (163, 158020), (326, 79010), (652, 39505), (815, 31604), (1630, 15802), (3260, 7901)]