45550000

素因数分解:

$2^4\times 5^5\times {\mathrm{911}}^1$

素因数の和:944

約数の個数: 60

約数和(自身を含む): 110430432

約数和(自身を除く): 64880432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 911, 1000, 1250, 1822, 2000, 2500, 3125, 3644, 4555, 5000, 6250, 7288, 9110, 10000, 12500, 14576, 18220, 22775, 25000, 36440, 45550, 50000, 72880, 91100, 113875, 182200, 227750, 364400, 455500, 569375, 911000, 1138750, 1822000, 2277500, 2846875, 4555000, 5693750, 9110000, 11387500, 22775000, 45550000]

約数ペア:

[(1, 45550000), (2, 22775000), (4, 11387500), (5, 9110000), (8, 5693750), (10, 4555000), (16, 2846875), (20, 2277500), (25, 1822000), (40, 1138750), (50, 911000), (80, 569375), (100, 455500), (125, 364400), (200, 227750), (250, 182200), (400, 113875), (500, 91100), (625, 72880), (911, 50000), (1000, 45550), (1250, 36440), (1822, 25000), (2000, 22775), (2500, 18220), (3125, 14576), (3644, 12500), (4555, 10000), (5000, 9110), (6250, 7288)]