25201720

素因数分解:

$2^3\times 5^1\times {\mathrm{630043}}^1$

素因数の和:630054

約数の個数: 16

約数和(自身を含む): 56703960

約数和(自身を除く): 31502240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 630043, 1260086, 2520172, 3150215, 5040344, 6300430, 12600860, 25201720]

約数ペア:

[(1, 25201720), (2, 12600860), (4, 6300430), (5, 5040344), (8, 3150215), (10, 2520172), (20, 1260086), (40, 630043)]