45100000

素因数分解:

$2^5\times 5^5\times {\mathrm{11}}^1\times {\mathrm{41}}^1$

素因数の和:87

約数の個数: 144

約数和(自身を含む): 124023312

約数和(自身を除く): 78923312

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 41, 44, 50, 55, 80, 82, 88, 100, 110, 125, 160, 164, 176, 200, 205, 220, 250, 275, 328, 352, 400, 410, 440, 451, 500, 550, 625, 656, 800, 820, 880, 902, 1000, 1025, 1100, 1250, 1312, 1375, 1640, 1760, 1804, 2000, 2050, 2200, 2255, 2500, 2750, 3125, 3280, 3608, 4000, 4100, 4400, 4510, 5000, 5125, 5500, 6250, 6560, 6875, 7216, 8200, 8800, 9020, 10000, 10250, 11000, 11275, 12500, 13750, 14432, 16400, 18040, 20000, 20500, 22000, 22550, 25000, 25625, 27500, 32800, 34375, 36080, 41000, 44000, 45100, 50000, 51250, 55000, 56375, 68750, 72160, 82000, 90200, 100000, 102500, 110000, 112750, 128125, 137500, 164000, 180400, 205000, 220000, 225500, 256250, 275000, 281875, 360800, 410000, 451000, 512500, 550000, 563750, 820000, 902000, 1025000, 1100000, 1127500, 1409375, 1804000, 2050000, 2255000, 2818750, 4100000, 4510000, 5637500, 9020000, 11275000, 22550000, 45100000]

約数ペア:

[(1, 45100000), (2, 22550000), (4, 11275000), (5, 9020000), (8, 5637500), (10, 4510000), (11, 4100000), (16, 2818750), (20, 2255000), (22, 2050000), (25, 1804000), (32, 1409375), (40, 1127500), (41, 1100000), (44, 1025000), (50, 902000), (55, 820000), (80, 563750), (82, 550000), (88, 512500), (100, 451000), (110, 410000), (125, 360800), (160, 281875), (164, 275000), (176, 256250), (200, 225500), (205, 220000), (220, 205000), (250, 180400), (275, 164000), (328, 137500), (352, 128125), (400, 112750), (410, 110000), (440, 102500), (451, 100000), (500, 90200), (550, 82000), (625, 72160), (656, 68750), (800, 56375), (820, 55000), (880, 51250), (902, 50000), (1000, 45100), (1025, 44000), (1100, 41000), (1250, 36080), (1312, 34375), (1375, 32800), (1640, 27500), (1760, 25625), (1804, 25000), (2000, 22550), (2050, 22000), (2200, 20500), (2255, 20000), (2500, 18040), (2750, 16400), (3125, 14432), (3280, 13750), (3608, 12500), (4000, 11275), (4100, 11000), (4400, 10250), (4510, 10000), (5000, 9020), (5125, 8800), (5500, 8200), (6250, 7216), (6560, 6875)]