57231280

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:314

約数の個数: 80

約数和(自身を含む): 138276864

約数和(自身を除く): 81045584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 127, 131, 172, 215, 254, 262, 344, 430, 508, 524, 635, 655, 688, 860, 1016, 1048, 1270, 1310, 1720, 2032, 2096, 2540, 2620, 3440, 5080, 5240, 5461, 5633, 10160, 10480, 10922, 11266, 16637, 21844, 22532, 27305, 28165, 33274, 43688, 45064, 54610, 56330, 66548, 83185, 87376, 90128, 109220, 112660, 133096, 166370, 218440, 225320, 266192, 332740, 436880, 450640, 665480, 715391, 1330960, 1430782, 2861564, 3576955, 5723128, 7153910, 11446256, 14307820, 28615640, 57231280]

約数ペア:

[(1, 57231280), (2, 28615640), (4, 14307820), (5, 11446256), (8, 7153910), (10, 5723128), (16, 3576955), (20, 2861564), (40, 1430782), (43, 1330960), (80, 715391), (86, 665480), (127, 450640), (131, 436880), (172, 332740), (215, 266192), (254, 225320), (262, 218440), (344, 166370), (430, 133096), (508, 112660), (524, 109220), (635, 90128), (655, 87376), (688, 83185), (860, 66548), (1016, 56330), (1048, 54610), (1270, 45064), (1310, 43688), (1720, 33274), (2032, 28165), (2096, 27305), (2540, 22532), (2620, 21844), (3440, 16637), (5080, 11266), (5240, 10922), (5461, 10480), (5633, 10160)]