204041720

素因数分解:

$2^3\times 5^1\times {\mathrm{5101043}}^1$

素因数の和:5101054

約数の個数: 16

約数和(自身を含む): 459093960

約数和(自身を除く): 255052240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5101043, 10202086, 20404172, 25505215, 40808344, 51010430, 102020860, 204041720]

約数ペア:

[(1, 204041720), (2, 102020860), (4, 51010430), (5, 40808344), (8, 25505215), (10, 20404172), (20, 10202086), (40, 5101043)]