204101720

素因数分解:

$2^3\times 5^1\times {\mathrm{5102543}}^1$

素因数の和:5102554

約数の個数: 16

約数和(自身を含む): 459228960

約数和(自身を除く): 255127240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5102543, 10205086, 20410172, 25512715, 40820344, 51025430, 102050860, 204101720]

約数ペア:

[(1, 204101720), (2, 102050860), (4, 51025430), (5, 40820344), (8, 25512715), (10, 20410172), (20, 10205086), (40, 5102543)]