2008508720

素因数分解:

$2^4\times 5^1\times {\mathrm{25106359}}^1$

素因数の和:25106372

約数の個数: 20

約数和(自身を含む): 4669782960

約数和(自身を除く): 2661274240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25106359, 50212718, 100425436, 125531795, 200850872, 251063590, 401701744, 502127180, 1004254360, 2008508720]

約数ペア:

[(1, 2008508720), (2, 1004254360), (4, 502127180), (5, 401701744), (8, 251063590), (10, 200850872), (16, 125531795), (20, 100425436), (40, 50212718), (80, 25106359)]