2563000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{233}}^1$

素因数の和:265

約数の個数: 64

約数和(自身を含む): 6570720

約数和(自身を除く): 4007720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 125, 200, 220, 233, 250, 275, 440, 466, 500, 550, 932, 1000, 1100, 1165, 1375, 1864, 2200, 2330, 2563, 2750, 4660, 5126, 5500, 5825, 9320, 10252, 11000, 11650, 12815, 20504, 23300, 25630, 29125, 46600, 51260, 58250, 64075, 102520, 116500, 128150, 233000, 256300, 320375, 512600, 640750, 1281500, 2563000]

約数ペア:

[(1, 2563000), (2, 1281500), (4, 640750), (5, 512600), (8, 320375), (10, 256300), (11, 233000), (20, 128150), (22, 116500), (25, 102520), (40, 64075), (44, 58250), (50, 51260), (55, 46600), (88, 29125), (100, 25630), (110, 23300), (125, 20504), (200, 12815), (220, 11650), (233, 11000), (250, 10252), (275, 9320), (440, 5825), (466, 5500), (500, 5126), (550, 4660), (932, 2750), (1000, 2563), (1100, 2330), (1165, 2200), (1375, 1864)]