8151680

素因数分解:

$2^7\times 5^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:337

約数の個数: 64

約数和(自身を含む): 19975680

約数和(自身を除く): 11824000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 188, 235, 271, 320, 376, 470, 542, 640, 752, 940, 1084, 1355, 1504, 1880, 2168, 2710, 3008, 3760, 4336, 5420, 6016, 7520, 8672, 10840, 12737, 15040, 17344, 21680, 25474, 30080, 34688, 43360, 50948, 63685, 86720, 101896, 127370, 173440, 203792, 254740, 407584, 509480, 815168, 1018960, 1630336, 2037920, 4075840, 8151680]

約数ペア:

[(1, 8151680), (2, 4075840), (4, 2037920), (5, 1630336), (8, 1018960), (10, 815168), (16, 509480), (20, 407584), (32, 254740), (40, 203792), (47, 173440), (64, 127370), (80, 101896), (94, 86720), (128, 63685), (160, 50948), (188, 43360), (235, 34688), (271, 30080), (320, 25474), (376, 21680), (470, 17344), (542, 15040), (640, 12737), (752, 10840), (940, 8672), (1084, 7520), (1355, 6016), (1504, 5420), (1880, 4336), (2168, 3760), (2710, 3008)]