8112500

素因数分解:

$2^2\times 5^5\times {\mathrm{11}}^1\times {\mathrm{59}}^1$

素因数の和:99

約数の個数: 72

約数和(自身を含む): 19686240

約数和(自身を除く): 11573740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 59, 100, 110, 118, 125, 220, 236, 250, 275, 295, 500, 550, 590, 625, 649, 1100, 1180, 1250, 1298, 1375, 1475, 2500, 2596, 2750, 2950, 3125, 3245, 5500, 5900, 6250, 6490, 6875, 7375, 12500, 12980, 13750, 14750, 16225, 27500, 29500, 32450, 34375, 36875, 64900, 68750, 73750, 81125, 137500, 147500, 162250, 184375, 324500, 368750, 405625, 737500, 811250, 1622500, 2028125, 4056250, 8112500]

約数ペア:

[(1, 8112500), (2, 4056250), (4, 2028125), (5, 1622500), (10, 811250), (11, 737500), (20, 405625), (22, 368750), (25, 324500), (44, 184375), (50, 162250), (55, 147500), (59, 137500), (100, 81125), (110, 73750), (118, 68750), (125, 64900), (220, 36875), (236, 34375), (250, 32450), (275, 29500), (295, 27500), (500, 16225), (550, 14750), (590, 13750), (625, 12980), (649, 12500), (1100, 7375), (1180, 6875), (1250, 6490), (1298, 6250), (1375, 5900), (1475, 5500), (2500, 3245), (2596, 3125), (2750, 2950)]