209912480

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{16607}}^1$

素因数の和:16701

約数の個数: 48

約数和(自身を含む): 502225920

約数和(自身を除く): 292313440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 316, 395, 632, 790, 1264, 1580, 2528, 3160, 6320, 12640, 16607, 33214, 66428, 83035, 132856, 166070, 265712, 332140, 531424, 664280, 1311953, 1328560, 2623906, 2657120, 5247812, 6559765, 10495624, 13119530, 20991248, 26239060, 41982496, 52478120, 104956240, 209912480]

約数ペア:

[(1, 209912480), (2, 104956240), (4, 52478120), (5, 41982496), (8, 26239060), (10, 20991248), (16, 13119530), (20, 10495624), (32, 6559765), (40, 5247812), (79, 2657120), (80, 2623906), (158, 1328560), (160, 1311953), (316, 664280), (395, 531424), (632, 332140), (790, 265712), (1264, 166070), (1580, 132856), (2528, 83035), (3160, 66428), (6320, 33214), (12640, 16607)]