80089900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{6619}}^1$

素因数の和:6655

約数の個数: 54

約数和(自身を含む): 191059820

約数和(自身を除く): 110969920

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 121, 220, 242, 275, 484, 550, 605, 1100, 1210, 2420, 3025, 6050, 6619, 12100, 13238, 26476, 33095, 66190, 72809, 132380, 145618, 165475, 291236, 330950, 364045, 661900, 728090, 800899, 1456180, 1601798, 1820225, 3203596, 3640450, 4004495, 7280900, 8008990, 16017980, 20022475, 40044950, 80089900]

約数ペア:

[(1, 80089900), (2, 40044950), (4, 20022475), (5, 16017980), (10, 8008990), (11, 7280900), (20, 4004495), (22, 3640450), (25, 3203596), (44, 1820225), (50, 1601798), (55, 1456180), (100, 800899), (110, 728090), (121, 661900), (220, 364045), (242, 330950), (275, 291236), (484, 165475), (550, 145618), (605, 132380), (1100, 72809), (1210, 66190), (2420, 33095), (3025, 26476), (6050, 13238), (6619, 12100)]