20005200

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{5557}}^1$

素因数の和:5581

約数の個数: 90

約数和(自身を含む): 69436094

約数和(自身を除く): 49430894

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 100, 120, 144, 150, 180, 200, 225, 240, 300, 360, 400, 450, 600, 720, 900, 1200, 1800, 3600, 5557, 11114, 16671, 22228, 27785, 33342, 44456, 50013, 55570, 66684, 83355, 88912, 100026, 111140, 133368, 138925, 166710, 200052, 222280, 250065, 266736, 277850, 333420, 400104, 416775, 444560, 500130, 555700, 666840, 800208, 833550, 1000260, 1111400, 1250325, 1333680, 1667100, 2000520, 2222800, 2500650, 3334200, 4001040, 5001300, 6668400, 10002600, 20005200]

約数ペア:

[(1, 20005200), (2, 10002600), (3, 6668400), (4, 5001300), (5, 4001040), (6, 3334200), (8, 2500650), (9, 2222800), (10, 2000520), (12, 1667100), (15, 1333680), (16, 1250325), (18, 1111400), (20, 1000260), (24, 833550), (25, 800208), (30, 666840), (36, 555700), (40, 500130), (45, 444560), (48, 416775), (50, 400104), (60, 333420), (72, 277850), (75, 266736), (80, 250065), (90, 222280), (100, 200052), (120, 166710), (144, 138925), (150, 133368), (180, 111140), (200, 100026), (225, 88912), (240, 83355), (300, 66684), (360, 55570), (400, 50013), (450, 44456), (600, 33342), (720, 27785), (900, 22228), (1200, 16671), (1800, 11114), (3600, 5557)]