19935179840

素因数分解:

$2^6\times 5^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{3529}}^1$

素因数の和:3812

約数の個数: 112

約数和(自身を含む): 48202291200

約数和(自身を除く): 28267111360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 139, 160, 254, 278, 320, 508, 556, 635, 695, 1016, 1112, 1270, 1390, 2032, 2224, 2540, 2780, 3529, 4064, 4448, 5080, 5560, 7058, 8128, 8896, 10160, 11120, 14116, 17645, 17653, 20320, 22240, 28232, 35290, 35306, 40640, 44480, 56464, 70580, 70612, 88265, 112928, 141160, 141224, 176530, 225856, 282320, 282448, 353060, 448183, 490531, 564640, 564896, 706120, 896366, 981062, 1129280, 1129792, 1412240, 1792732, 1962124, 2240915, 2452655, 2824480, 3585464, 3924248, 4481830, 4905310, 5648960, 7170928, 7848496, 8963660, 9810620, 14341856, 15696992, 17927320, 19621240, 28683712, 31393984, 35854640, 39242480, 62297437, 71709280, 78484960, 124594874, 143418560, 156969920, 249189748, 311487185, 498379496, 622974370, 996758992, 1245948740, 1993517984, 2491897480, 3987035968, 4983794960, 9967589920, 19935179840]

約数ペア:

[(1, 19935179840), (2, 9967589920), (4, 4983794960), (5, 3987035968), (8, 2491897480), (10, 1993517984), (16, 1245948740), (20, 996758992), (32, 622974370), (40, 498379496), (64, 311487185), (80, 249189748), (127, 156969920), (139, 143418560), (160, 124594874), (254, 78484960), (278, 71709280), (320, 62297437), (508, 39242480), (556, 35854640), (635, 31393984), (695, 28683712), (1016, 19621240), (1112, 17927320), (1270, 15696992), (1390, 14341856), (2032, 9810620), (2224, 8963660), (2540, 7848496), (2780, 7170928), (3529, 5648960), (4064, 4905310), (4448, 4481830), (5080, 3924248), (5560, 3585464), (7058, 2824480), (8128, 2452655), (8896, 2240915), (10160, 1962124), (11120, 1792732), (14116, 1412240), (17645, 1129792), (17653, 1129280), (20320, 981062), (22240, 896366), (28232, 706120), (35290, 564896), (35306, 564640), (40640, 490531), (44480, 448183), (56464, 353060), (70580, 282448), (70612, 282320), (88265, 225856), (112928, 176530), (141160, 141224)]