81342080

素因数分解:

$2^7\times 5^1\times {\mathrm{149}}^1\times {\mathrm{853}}^1$

素因数の和:1021

約数の個数: 64

約数和(自身を含む): 195993000

約数和(自身を除く): 114650920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 149, 160, 298, 320, 596, 640, 745, 853, 1192, 1490, 1706, 2384, 2980, 3412, 4265, 4768, 5960, 6824, 8530, 9536, 11920, 13648, 17060, 19072, 23840, 27296, 34120, 47680, 54592, 68240, 95360, 109184, 127097, 136480, 254194, 272960, 508388, 545920, 635485, 1016776, 1270970, 2033552, 2541940, 4067104, 5083880, 8134208, 10167760, 16268416, 20335520, 40671040, 81342080]

約数ペア:

[(1, 81342080), (2, 40671040), (4, 20335520), (5, 16268416), (8, 10167760), (10, 8134208), (16, 5083880), (20, 4067104), (32, 2541940), (40, 2033552), (64, 1270970), (80, 1016776), (128, 635485), (149, 545920), (160, 508388), (298, 272960), (320, 254194), (596, 136480), (640, 127097), (745, 109184), (853, 95360), (1192, 68240), (1490, 54592), (1706, 47680), (2384, 34120), (2980, 27296), (3412, 23840), (4265, 19072), (4768, 17060), (5960, 13648), (6824, 11920), (8530, 9536)]