8813440

素因数分解:

$2^7\times 5^1\times {\mathrm{47}}^1\times {\mathrm{293}}^1$

素因数の和:359

約数の個数: 64

約数和(自身を含む): 21591360

約数和(自身を除く): 12777920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 188, 235, 293, 320, 376, 470, 586, 640, 752, 940, 1172, 1465, 1504, 1880, 2344, 2930, 3008, 3760, 4688, 5860, 6016, 7520, 9376, 11720, 13771, 15040, 18752, 23440, 27542, 30080, 37504, 46880, 55084, 68855, 93760, 110168, 137710, 187520, 220336, 275420, 440672, 550840, 881344, 1101680, 1762688, 2203360, 4406720, 8813440]

約数ペア:

[(1, 8813440), (2, 4406720), (4, 2203360), (5, 1762688), (8, 1101680), (10, 881344), (16, 550840), (20, 440672), (32, 275420), (40, 220336), (47, 187520), (64, 137710), (80, 110168), (94, 93760), (128, 68855), (160, 55084), (188, 46880), (235, 37504), (293, 30080), (320, 27542), (376, 23440), (470, 18752), (586, 15040), (640, 13771), (752, 11720), (940, 9376), (1172, 7520), (1465, 6016), (1504, 5860), (1880, 4688), (2344, 3760), (2930, 3008)]