85580000

素因数分解:

$2^5\times 5^4\times {\mathrm{11}}^1\times {\mathrm{389}}^1$

素因数の和:430

約数の個数: 120

約数和(自身を含む): 230270040

約数和(自身を除く): 144690040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 110, 125, 160, 176, 200, 220, 250, 275, 352, 389, 400, 440, 500, 550, 625, 778, 800, 880, 1000, 1100, 1250, 1375, 1556, 1760, 1945, 2000, 2200, 2500, 2750, 3112, 3890, 4000, 4279, 4400, 5000, 5500, 6224, 6875, 7780, 8558, 8800, 9725, 10000, 11000, 12448, 13750, 15560, 17116, 19450, 20000, 21395, 22000, 27500, 31120, 34232, 38900, 42790, 44000, 48625, 55000, 62240, 68464, 77800, 85580, 97250, 106975, 110000, 136928, 155600, 171160, 194500, 213950, 220000, 243125, 311200, 342320, 389000, 427900, 486250, 534875, 684640, 778000, 855800, 972500, 1069750, 1556000, 1711600, 1945000, 2139500, 2674375, 3423200, 3890000, 4279000, 5348750, 7780000, 8558000, 10697500, 17116000, 21395000, 42790000, 85580000]

約数ペア:

[(1, 85580000), (2, 42790000), (4, 21395000), (5, 17116000), (8, 10697500), (10, 8558000), (11, 7780000), (16, 5348750), (20, 4279000), (22, 3890000), (25, 3423200), (32, 2674375), (40, 2139500), (44, 1945000), (50, 1711600), (55, 1556000), (80, 1069750), (88, 972500), (100, 855800), (110, 778000), (125, 684640), (160, 534875), (176, 486250), (200, 427900), (220, 389000), (250, 342320), (275, 311200), (352, 243125), (389, 220000), (400, 213950), (440, 194500), (500, 171160), (550, 155600), (625, 136928), (778, 110000), (800, 106975), (880, 97250), (1000, 85580), (1100, 77800), (1250, 68464), (1375, 62240), (1556, 55000), (1760, 48625), (1945, 44000), (2000, 42790), (2200, 38900), (2500, 34232), (2750, 31120), (3112, 27500), (3890, 22000), (4000, 21395), (4279, 20000), (4400, 19450), (5000, 17116), (5500, 15560), (6224, 13750), (6875, 12448), (7780, 11000), (8558, 10000), (8800, 9725)]