66985280

素因数分解:

$2^6\times 5^1\times {\mathrm{353}}^1\times {\mathrm{593}}^1$

素因数の和:963

約数の個数: 56

約数和(自身を含む): 160230312

約数和(自身を除く): 93245032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 353, 593, 706, 1186, 1412, 1765, 2372, 2824, 2965, 3530, 4744, 5648, 5930, 7060, 9488, 11296, 11860, 14120, 18976, 22592, 23720, 28240, 37952, 47440, 56480, 94880, 112960, 189760, 209329, 418658, 837316, 1046645, 1674632, 2093290, 3349264, 4186580, 6698528, 8373160, 13397056, 16746320, 33492640, 66985280]

約数ペア:

[(1, 66985280), (2, 33492640), (4, 16746320), (5, 13397056), (8, 8373160), (10, 6698528), (16, 4186580), (20, 3349264), (32, 2093290), (40, 1674632), (64, 1046645), (80, 837316), (160, 418658), (320, 209329), (353, 189760), (593, 112960), (706, 94880), (1186, 56480), (1412, 47440), (1765, 37952), (2372, 28240), (2824, 23720), (2965, 22592), (3530, 18976), (4744, 14120), (5648, 11860), (5930, 11296), (7060, 9488)]