25247120

素因数分解:

$2^4\times 5^1\times {\mathrm{315589}}^1$

素因数の和:315602

約数の個数: 20

約数和(自身を含む): 58699740

約数和(自身を除く): 33452620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 315589, 631178, 1262356, 1577945, 2524712, 3155890, 5049424, 6311780, 12623560, 25247120]

約数ペア:

[(1, 25247120), (2, 12623560), (4, 6311780), (5, 5049424), (8, 3155890), (10, 2524712), (16, 1577945), (20, 1262356), (40, 631178), (80, 315589)]