133505920

素因数分解:

$2^7\times 5^1\times {\mathrm{337}}^1\times {\mathrm{619}}^1$

素因数の和:975

約数の個数: 64

約数和(自身を含む): 320626800

約数和(自身を除く): 187120880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 337, 619, 640, 674, 1238, 1348, 1685, 2476, 2696, 3095, 3370, 4952, 5392, 6190, 6740, 9904, 10784, 12380, 13480, 19808, 21568, 24760, 26960, 39616, 43136, 49520, 53920, 79232, 99040, 107840, 198080, 208603, 215680, 396160, 417206, 834412, 1043015, 1668824, 2086030, 3337648, 4172060, 6675296, 8344120, 13350592, 16688240, 26701184, 33376480, 66752960, 133505920]

約数ペア:

[(1, 133505920), (2, 66752960), (4, 33376480), (5, 26701184), (8, 16688240), (10, 13350592), (16, 8344120), (20, 6675296), (32, 4172060), (40, 3337648), (64, 2086030), (80, 1668824), (128, 1043015), (160, 834412), (320, 417206), (337, 396160), (619, 215680), (640, 208603), (674, 198080), (1238, 107840), (1348, 99040), (1685, 79232), (2476, 53920), (2696, 49520), (3095, 43136), (3370, 39616), (4952, 26960), (5392, 24760), (6190, 21568), (6740, 19808), (9904, 13480), (10784, 12380)]