209180080

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{55633}}^1$

素因数の和:55693

約数の個数: 40

約数和(自身を含む): 496700352

約数和(自身を除く): 287520272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 55633, 111266, 222532, 278165, 445064, 556330, 890128, 1112660, 2225320, 2614751, 4450640, 5229502, 10459004, 13073755, 20918008, 26147510, 41836016, 52295020, 104590040, 209180080]

約数ペア:

[(1, 209180080), (2, 104590040), (4, 52295020), (5, 41836016), (8, 26147510), (10, 20918008), (16, 13073755), (20, 10459004), (40, 5229502), (47, 4450640), (80, 2614751), (94, 2225320), (188, 1112660), (235, 890128), (376, 556330), (470, 445064), (752, 278165), (940, 222532), (1880, 111266), (3760, 55633)]