87979400

素因数分解:

$2^3\times 5^2\times {\mathrm{401}}^1\times {\mathrm{1097}}^1$

素因数の和:1514

約数の個数: 48

約数和(自身を含む): 205249140

約数和(自身を除く): 117269740

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 401, 802, 1097, 1604, 2005, 2194, 3208, 4010, 4388, 5485, 8020, 8776, 10025, 10970, 16040, 20050, 21940, 27425, 40100, 43880, 54850, 80200, 109700, 219400, 439897, 879794, 1759588, 2199485, 3519176, 4398970, 8797940, 10997425, 17595880, 21994850, 43989700, 87979400]

約数ペア:

[(1, 87979400), (2, 43989700), (4, 21994850), (5, 17595880), (8, 10997425), (10, 8797940), (20, 4398970), (25, 3519176), (40, 2199485), (50, 1759588), (100, 879794), (200, 439897), (401, 219400), (802, 109700), (1097, 80200), (1604, 54850), (2005, 43880), (2194, 40100), (3208, 27425), (4010, 21940), (4388, 20050), (5485, 16040), (8020, 10970), (8776, 10025)]