72725000

素因数分解:

$2^3\times 5^5\times {\mathrm{2909}}^1$

素因数の和:2940

約数の個数: 48

約数和(自身を含む): 170496900

約数和(自身を除く): 97771900

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 2909, 3125, 5000, 5818, 6250, 11636, 12500, 14545, 23272, 25000, 29090, 58180, 72725, 116360, 145450, 290900, 363625, 581800, 727250, 1454500, 1818125, 2909000, 3636250, 7272500, 9090625, 14545000, 18181250, 36362500, 72725000]

約数ペア:

[(1, 72725000), (2, 36362500), (4, 18181250), (5, 14545000), (8, 9090625), (10, 7272500), (20, 3636250), (25, 2909000), (40, 1818125), (50, 1454500), (100, 727250), (125, 581800), (200, 363625), (250, 290900), (500, 145450), (625, 116360), (1000, 72725), (1250, 58180), (2500, 29090), (2909, 25000), (3125, 23272), (5000, 14545), (5818, 12500), (6250, 11636)]