31553920

素因数分解:

$2^7\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1049}}^1$

素因数の和:1115

約数の個数: 64

約数和(自身を含む): 77112000

約数和(自身を除く): 45558080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 188, 235, 320, 376, 470, 640, 752, 940, 1049, 1504, 1880, 2098, 3008, 3760, 4196, 5245, 6016, 7520, 8392, 10490, 15040, 16784, 20980, 30080, 33568, 41960, 49303, 67136, 83920, 98606, 134272, 167840, 197212, 246515, 335680, 394424, 493030, 671360, 788848, 986060, 1577696, 1972120, 3155392, 3944240, 6310784, 7888480, 15776960, 31553920]

約数ペア:

[(1, 31553920), (2, 15776960), (4, 7888480), (5, 6310784), (8, 3944240), (10, 3155392), (16, 1972120), (20, 1577696), (32, 986060), (40, 788848), (47, 671360), (64, 493030), (80, 394424), (94, 335680), (128, 246515), (160, 197212), (188, 167840), (235, 134272), (320, 98606), (376, 83920), (470, 67136), (640, 49303), (752, 41960), (940, 33568), (1049, 30080), (1504, 20980), (1880, 16784), (2098, 15040), (3008, 10490), (3760, 8392), (4196, 7520), (5245, 6016)]