208012480

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1613}}^1$

素因数の和:1674

約数の個数: 112

約数和(自身を含む): 550980864

約数和(自身を除く): 342968384

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 806, 832, 992, 1040, 1240, 1612, 1613, 1984, 2015, 2080, 2480, 3224, 3226, 4030, 4160, 4960, 6448, 6452, 8060, 8065, 9920, 12896, 12904, 16120, 16130, 20969, 25792, 25808, 32240, 32260, 41938, 50003, 51616, 64480, 64520, 83876, 100006, 103232, 104845, 128960, 129040, 167752, 200012, 209690, 250015, 258080, 335504, 400024, 419380, 500030, 516160, 650039, 671008, 800048, 838760, 1000060, 1300078, 1342016, 1600096, 1677520, 2000120, 2600156, 3200192, 3250195, 3355040, 4000240, 5200312, 6500390, 6710080, 8000480, 10400624, 13000780, 16000960, 20801248, 26001560, 41602496, 52003120, 104006240, 208012480]

約数ペア:

[(1, 208012480), (2, 104006240), (4, 52003120), (5, 41602496), (8, 26001560), (10, 20801248), (13, 16000960), (16, 13000780), (20, 10400624), (26, 8000480), (31, 6710080), (32, 6500390), (40, 5200312), (52, 4000240), (62, 3355040), (64, 3250195), (65, 3200192), (80, 2600156), (104, 2000120), (124, 1677520), (130, 1600096), (155, 1342016), (160, 1300078), (208, 1000060), (248, 838760), (260, 800048), (310, 671008), (320, 650039), (403, 516160), (416, 500030), (496, 419380), (520, 400024), (620, 335504), (806, 258080), (832, 250015), (992, 209690), (1040, 200012), (1240, 167752), (1612, 129040), (1613, 128960), (1984, 104845), (2015, 103232), (2080, 100006), (2480, 83876), (3224, 64520), (3226, 64480), (4030, 51616), (4160, 50003), (4960, 41938), (6448, 32260), (6452, 32240), (8060, 25808), (8065, 25792), (9920, 20969), (12896, 16130), (12904, 16120)]