200398840

素因数分解:

$2^3\times 5^1\times {\mathrm{5009971}}^1$

素因数の和:5009982

約数の個数: 16

約数和(自身を含む): 450897480

約数和(自身を除く): 250498640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5009971, 10019942, 20039884, 25049855, 40079768, 50099710, 100199420, 200398840]

約数ペア:

[(1, 200398840), (2, 100199420), (4, 50099710), (5, 40079768), (8, 25049855), (10, 20039884), (20, 10019942), (40, 5009971)]