138465760

素因数分解:

$2^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{18413}}^1$

素因数の和:18475

約数の個数: 48

約数和(自身を含む): 334103616

約数和(自身を除く): 195637856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 80, 94, 160, 188, 235, 376, 470, 752, 940, 1504, 1880, 3760, 7520, 18413, 36826, 73652, 92065, 147304, 184130, 294608, 368260, 589216, 736520, 865411, 1473040, 1730822, 2946080, 3461644, 4327055, 6923288, 8654110, 13846576, 17308220, 27693152, 34616440, 69232880, 138465760]

約数ペア:

[(1, 138465760), (2, 69232880), (4, 34616440), (5, 27693152), (8, 17308220), (10, 13846576), (16, 8654110), (20, 6923288), (32, 4327055), (40, 3461644), (47, 2946080), (80, 1730822), (94, 1473040), (160, 865411), (188, 736520), (235, 589216), (376, 368260), (470, 294608), (752, 184130), (940, 147304), (1504, 92065), (1880, 73652), (3760, 36826), (7520, 18413)]