325607680

素因数分解:

$2^8\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2003}}^1$

素因数の和:2151

約数の個数: 72

約数和(自身を含む): 786465792

約数和(自身を除く): 460858112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 508, 635, 640, 1016, 1270, 1280, 2003, 2032, 2540, 4006, 4064, 5080, 8012, 8128, 10015, 10160, 16024, 16256, 20030, 20320, 32048, 32512, 40060, 40640, 64096, 80120, 81280, 128192, 160240, 162560, 254381, 256384, 320480, 508762, 512768, 640960, 1017524, 1271905, 1281920, 2035048, 2543810, 2563840, 4070096, 5087620, 8140192, 10175240, 16280384, 20350480, 32560768, 40700960, 65121536, 81401920, 162803840, 325607680]

約数ペア:

[(1, 325607680), (2, 162803840), (4, 81401920), (5, 65121536), (8, 40700960), (10, 32560768), (16, 20350480), (20, 16280384), (32, 10175240), (40, 8140192), (64, 5087620), (80, 4070096), (127, 2563840), (128, 2543810), (160, 2035048), (254, 1281920), (256, 1271905), (320, 1017524), (508, 640960), (635, 512768), (640, 508762), (1016, 320480), (1270, 256384), (1280, 254381), (2003, 162560), (2032, 160240), (2540, 128192), (4006, 81280), (4064, 80120), (5080, 64096), (8012, 40640), (8128, 40060), (10015, 32512), (10160, 32048), (16024, 20320), (16256, 20030)]