38187520

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{2131}}^1$

素因数の和:2161

約数の個数: 80

約数和(自身を含む): 104689728

約数和(自身を除く): 66502208

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1120, 1280, 1792, 2131, 2240, 2560, 3584, 4262, 4480, 8524, 8960, 10655, 14917, 17048, 17920, 21310, 29834, 34096, 42620, 59668, 68192, 74585, 85240, 119336, 136384, 149170, 170480, 238672, 272768, 298340, 340960, 477344, 545536, 596680, 681920, 954688, 1091072, 1193360, 1363840, 1909376, 2386720, 2727680, 3818752, 4773440, 5455360, 7637504, 9546880, 19093760, 38187520]

約数ペア:

[(1, 38187520), (2, 19093760), (4, 9546880), (5, 7637504), (7, 5455360), (8, 4773440), (10, 3818752), (14, 2727680), (16, 2386720), (20, 1909376), (28, 1363840), (32, 1193360), (35, 1091072), (40, 954688), (56, 681920), (64, 596680), (70, 545536), (80, 477344), (112, 340960), (128, 298340), (140, 272768), (160, 238672), (224, 170480), (256, 149170), (280, 136384), (320, 119336), (448, 85240), (512, 74585), (560, 68192), (640, 59668), (896, 42620), (1120, 34096), (1280, 29834), (1792, 21310), (2131, 17920), (2240, 17048), (2560, 14917), (3584, 10655), (4262, 8960), (4480, 8524)]