25188400

素因数分解:

$2^4\times 5^2\times {\mathrm{62971}}^1$

素因数の和:62989

約数の個数: 30

約数和(自身を含む): 60516092

約数和(自身を除く): 35327692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 62971, 125942, 251884, 314855, 503768, 629710, 1007536, 1259420, 1574275, 2518840, 3148550, 5037680, 6297100, 12594200, 25188400]

約数ペア:

[(1, 25188400), (2, 12594200), (4, 6297100), (5, 5037680), (8, 3148550), (10, 2518840), (16, 1574275), (20, 1259420), (25, 1007536), (40, 629710), (50, 503768), (80, 314855), (100, 251884), (200, 125942), (400, 62971)]