2000520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{5557}}^1$

素因数の和:5574

約数の個数: 48

約数和(自身を含む): 6502860

約数和(自身を除く): 4502340

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 5557, 11114, 16671, 22228, 27785, 33342, 44456, 50013, 55570, 66684, 83355, 100026, 111140, 133368, 166710, 200052, 222280, 250065, 333420, 400104, 500130, 666840, 1000260, 2000520]

約数ペア:

[(1, 2000520), (2, 1000260), (3, 666840), (4, 500130), (5, 400104), (6, 333420), (8, 250065), (9, 222280), (10, 200052), (12, 166710), (15, 133368), (18, 111140), (20, 100026), (24, 83355), (30, 66684), (36, 55570), (40, 50013), (45, 44456), (60, 33342), (72, 27785), (90, 22228), (120, 16671), (180, 11114), (360, 5557)]