25198460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{179989}}^1$

素因数の和:180005

約数の個数: 24

約数和(自身を含む): 60476640

約数和(自身を除く): 35278180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 179989, 359978, 719956, 899945, 1259923, 1799890, 2519846, 3599780, 5039692, 6299615, 12599230, 25198460]

約数ペア:

[(1, 25198460), (2, 12599230), (4, 6299615), (5, 5039692), (7, 3599780), (10, 2519846), (14, 1799890), (20, 1259923), (28, 899945), (35, 719956), (70, 359978), (140, 179989)]