28226000

素因数分解:

$2^4\times 5^3\times {\mathrm{11}}^1\times {\mathrm{1283}}^1$

素因数の和:1317

約数の個数: 80

約数和(自身を含む): 74513088

約数和(自身を除く): 46287088

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, 250, 275, 400, 440, 500, 550, 880, 1000, 1100, 1283, 1375, 2000, 2200, 2566, 2750, 4400, 5132, 5500, 6415, 10264, 11000, 12830, 14113, 20528, 22000, 25660, 28226, 32075, 51320, 56452, 64150, 70565, 102640, 112904, 128300, 141130, 160375, 225808, 256600, 282260, 320750, 352825, 513200, 564520, 641500, 705650, 1129040, 1283000, 1411300, 1764125, 2566000, 2822600, 3528250, 5645200, 7056500, 14113000, 28226000]

約数ペア:

[(1, 28226000), (2, 14113000), (4, 7056500), (5, 5645200), (8, 3528250), (10, 2822600), (11, 2566000), (16, 1764125), (20, 1411300), (22, 1283000), (25, 1129040), (40, 705650), (44, 641500), (50, 564520), (55, 513200), (80, 352825), (88, 320750), (100, 282260), (110, 256600), (125, 225808), (176, 160375), (200, 141130), (220, 128300), (250, 112904), (275, 102640), (400, 70565), (440, 64150), (500, 56452), (550, 51320), (880, 32075), (1000, 28226), (1100, 25660), (1283, 22000), (1375, 20528), (2000, 14113), (2200, 12830), (2566, 11000), (2750, 10264), (4400, 6415), (5132, 5500)]