25197340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{179981}}^1$

素因数の和:179997

約数の個数: 24

約数和(自身を含む): 60473952

約数和(自身を除く): 35276612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 179981, 359962, 719924, 899905, 1259867, 1799810, 2519734, 3599620, 5039468, 6299335, 12598670, 25197340]

約数ペア:

[(1, 25197340), (2, 12598670), (4, 6299335), (5, 5039468), (7, 3599620), (10, 2519734), (14, 1799810), (20, 1259867), (28, 899905), (35, 719924), (70, 359962), (140, 179981)]