42018850

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:355

約数の個数: 48

約数和(自身を含む): 81244800

約数和(自身を除く): 39225950

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 103, 199, 205, 206, 398, 410, 515, 995, 1025, 1030, 1990, 2050, 2575, 4223, 4975, 5150, 8159, 8446, 9950, 16318, 20497, 21115, 40795, 40994, 42230, 81590, 102485, 105575, 203975, 204970, 211150, 407950, 512425, 840377, 1024850, 1680754, 4201885, 8403770, 21009425, 42018850]

約数ペア:

[(1, 42018850), (2, 21009425), (5, 8403770), (10, 4201885), (25, 1680754), (41, 1024850), (50, 840377), (82, 512425), (103, 407950), (199, 211150), (205, 204970), (206, 203975), (398, 105575), (410, 102485), (515, 81590), (995, 42230), (1025, 40994), (1030, 40795), (1990, 21115), (2050, 20497), (2575, 16318), (4223, 9950), (4975, 8446), (5150, 8159)]