2565199550

素因数分解:

$2^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{199}}^1\times {\mathrm{2503}}^1$

素因数の和:2817

約数の個数: 48

約数和(自身を含む): 4843737600

約数和(自身を除く): 2278538050

約数列:

[1, 2, 5, 10, 25, 50, 103, 199, 206, 398, 515, 995, 1030, 1990, 2503, 2575, 4975, 5006, 5150, 9950, 12515, 20497, 25030, 40994, 62575, 102485, 125150, 204970, 257809, 498097, 512425, 515618, 996194, 1024850, 1289045, 2490485, 2578090, 4980970, 6445225, 12452425, 12890450, 24904850, 51303991, 102607982, 256519955, 513039910, 1282599775, 2565199550]

約数ペア:

[(1, 2565199550), (2, 1282599775), (5, 513039910), (10, 256519955), (25, 102607982), (50, 51303991), (103, 24904850), (199, 12890450), (206, 12452425), (398, 6445225), (515, 4980970), (995, 2578090), (1030, 2490485), (1990, 1289045), (2503, 1024850), (2575, 996194), (4975, 515618), (5006, 512425), (5150, 498097), (9950, 257809), (12515, 204970), (20497, 125150), (25030, 102485), (40994, 62575)]