18888455680

素因数分解:

$2^9\times 5^1\times {\mathrm{1553}}^1\times {\mathrm{4751}}^1$

素因数の和:6327

約数の個数: 80

約数和(自身を含む): 45326723904

約数和(自身を除く): 26438268224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 1553, 2560, 3106, 4751, 6212, 7765, 9502, 12424, 15530, 19004, 23755, 24848, 31060, 38008, 47510, 49696, 62120, 76016, 95020, 99392, 124240, 152032, 190040, 198784, 248480, 304064, 380080, 397568, 496960, 608128, 760160, 795136, 993920, 1216256, 1520320, 1987840, 2432512, 3040640, 3975680, 6081280, 7378303, 12162560, 14756606, 29513212, 36891515, 59026424, 73783030, 118052848, 147566060, 236105696, 295132120, 472211392, 590264240, 944422784, 1180528480, 1888845568, 2361056960, 3777691136, 4722113920, 9444227840, 18888455680]

約数ペア:

[(1, 18888455680), (2, 9444227840), (4, 4722113920), (5, 3777691136), (8, 2361056960), (10, 1888845568), (16, 1180528480), (20, 944422784), (32, 590264240), (40, 472211392), (64, 295132120), (80, 236105696), (128, 147566060), (160, 118052848), (256, 73783030), (320, 59026424), (512, 36891515), (640, 29513212), (1280, 14756606), (1553, 12162560), (2560, 7378303), (3106, 6081280), (4751, 3975680), (6212, 3040640), (7765, 2432512), (9502, 1987840), (12424, 1520320), (15530, 1216256), (19004, 993920), (23755, 795136), (24848, 760160), (31060, 608128), (38008, 496960), (47510, 397568), (49696, 380080), (62120, 304064), (76016, 248480), (95020, 198784), (99392, 190040), (124240, 152032)]