26290000

素因数分解:

$2^4\times 5^4\times {\mathrm{11}}^1\times {\mathrm{239}}^1$

素因数の和:278

約数の個数: 100

約数和(自身を含む): 69727680

約数和(自身を除く): 43437680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 125, 176, 200, 220, 239, 250, 275, 400, 440, 478, 500, 550, 625, 880, 956, 1000, 1100, 1195, 1250, 1375, 1912, 2000, 2200, 2390, 2500, 2629, 2750, 3824, 4400, 4780, 5000, 5258, 5500, 5975, 6875, 9560, 10000, 10516, 11000, 11950, 13145, 13750, 19120, 21032, 22000, 23900, 26290, 27500, 29875, 42064, 47800, 52580, 55000, 59750, 65725, 95600, 105160, 110000, 119500, 131450, 149375, 210320, 239000, 262900, 298750, 328625, 478000, 525800, 597500, 657250, 1051600, 1195000, 1314500, 1643125, 2390000, 2629000, 3286250, 5258000, 6572500, 13145000, 26290000]

約数ペア:

[(1, 26290000), (2, 13145000), (4, 6572500), (5, 5258000), (8, 3286250), (10, 2629000), (11, 2390000), (16, 1643125), (20, 1314500), (22, 1195000), (25, 1051600), (40, 657250), (44, 597500), (50, 525800), (55, 478000), (80, 328625), (88, 298750), (100, 262900), (110, 239000), (125, 210320), (176, 149375), (200, 131450), (220, 119500), (239, 110000), (250, 105160), (275, 95600), (400, 65725), (440, 59750), (478, 55000), (500, 52580), (550, 47800), (625, 42064), (880, 29875), (956, 27500), (1000, 26290), (1100, 23900), (1195, 22000), (1250, 21032), (1375, 19120), (1912, 13750), (2000, 13145), (2200, 11950), (2390, 11000), (2500, 10516), (2629, 10000), (2750, 9560), (3824, 6875), (4400, 5975), (4780, 5500), (5000, 5258)]