204560060

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1\times {\mathrm{499}}^1$

素因数の和:810

約数の個数: 48

約数和(自身を含む): 436800000

約数和(自身を除く): 232239940

約数列:

[1, 2, 4, 5, 10, 20, 103, 199, 206, 398, 412, 499, 515, 796, 995, 998, 1030, 1990, 1996, 2060, 2495, 3980, 4990, 9980, 20497, 40994, 51397, 81988, 99301, 102485, 102794, 198602, 204970, 205588, 256985, 397204, 409940, 496505, 513970, 993010, 1027940, 1986020, 10228003, 20456006, 40912012, 51140015, 102280030, 204560060]

約数ペア:

[(1, 204560060), (2, 102280030), (4, 51140015), (5, 40912012), (10, 20456006), (20, 10228003), (103, 1986020), (199, 1027940), (206, 993010), (398, 513970), (412, 496505), (499, 409940), (515, 397204), (796, 256985), (995, 205588), (998, 204970), (1030, 198602), (1990, 102794), (1996, 102485), (2060, 99301), (2495, 81988), (3980, 51397), (4990, 40994), (9980, 20497)]