85262500

素因数分解:

$2^2\times 5^5\times {\mathrm{19}}^1\times {\mathrm{359}}^1$

素因数の和:407

約数の個数: 72

約数和(自身を含む): 196862400

約数和(自身を除く): 111599900

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 359, 380, 475, 500, 625, 718, 950, 1250, 1436, 1795, 1900, 2375, 2500, 3125, 3590, 4750, 6250, 6821, 7180, 8975, 9500, 11875, 12500, 13642, 17950, 23750, 27284, 34105, 35900, 44875, 47500, 59375, 68210, 89750, 118750, 136420, 170525, 179500, 224375, 237500, 341050, 448750, 682100, 852625, 897500, 1121875, 1705250, 2243750, 3410500, 4263125, 4487500, 8526250, 17052500, 21315625, 42631250, 85262500]

約数ペア:

[(1, 85262500), (2, 42631250), (4, 21315625), (5, 17052500), (10, 8526250), (19, 4487500), (20, 4263125), (25, 3410500), (38, 2243750), (50, 1705250), (76, 1121875), (95, 897500), (100, 852625), (125, 682100), (190, 448750), (250, 341050), (359, 237500), (380, 224375), (475, 179500), (500, 170525), (625, 136420), (718, 118750), (950, 89750), (1250, 68210), (1436, 59375), (1795, 47500), (1900, 44875), (2375, 35900), (2500, 34105), (3125, 27284), (3590, 23750), (4750, 17950), (6250, 13642), (6821, 12500), (7180, 11875), (8975, 9500)]