16988000

素因数分解:

$2^5\times 5^3\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:193

約数の個数: 96

約数和(自身を含む): 43400448

約数和(自身を除く): 26412448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 80, 100, 124, 125, 137, 155, 160, 200, 248, 250, 274, 310, 400, 496, 500, 548, 620, 685, 775, 800, 992, 1000, 1096, 1240, 1370, 1550, 2000, 2192, 2480, 2740, 3100, 3425, 3875, 4000, 4247, 4384, 4960, 5480, 6200, 6850, 7750, 8494, 10960, 12400, 13700, 15500, 16988, 17125, 21235, 21920, 24800, 27400, 31000, 33976, 34250, 42470, 54800, 62000, 67952, 68500, 84940, 106175, 109600, 124000, 135904, 137000, 169880, 212350, 274000, 339760, 424700, 530875, 548000, 679520, 849400, 1061750, 1698800, 2123500, 3397600, 4247000, 8494000, 16988000]

約数ペア:

[(1, 16988000), (2, 8494000), (4, 4247000), (5, 3397600), (8, 2123500), (10, 1698800), (16, 1061750), (20, 849400), (25, 679520), (31, 548000), (32, 530875), (40, 424700), (50, 339760), (62, 274000), (80, 212350), (100, 169880), (124, 137000), (125, 135904), (137, 124000), (155, 109600), (160, 106175), (200, 84940), (248, 68500), (250, 67952), (274, 62000), (310, 54800), (400, 42470), (496, 34250), (500, 33976), (548, 31000), (620, 27400), (685, 24800), (775, 21920), (800, 21235), (992, 17125), (1000, 16988), (1096, 15500), (1240, 13700), (1370, 12400), (1550, 10960), (2000, 8494), (2192, 7750), (2480, 6850), (2740, 6200), (3100, 5480), (3425, 4960), (3875, 4384), (4000, 4247)]