16559921920

素因数分解:

$2^8\times 5^1\times {\mathrm{557}}^1\times {\mathrm{23227}}^1$

素因数の和:23805

約数の個数: 72

約数和(自身を含む): 39739112784

約数和(自身を除く): 23179190864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 557, 640, 1114, 1280, 2228, 2785, 4456, 5570, 8912, 11140, 17824, 22280, 23227, 35648, 44560, 46454, 71296, 89120, 92908, 116135, 142592, 178240, 185816, 232270, 356480, 371632, 464540, 712960, 743264, 929080, 1486528, 1858160, 2973056, 3716320, 5946112, 7432640, 12937439, 14865280, 25874878, 29730560, 51749756, 64687195, 103499512, 129374390, 206999024, 258748780, 413998048, 517497560, 827996096, 1034995120, 1655992192, 2069990240, 3311984384, 4139980480, 8279960960, 16559921920]

約数ペア:

[(1, 16559921920), (2, 8279960960), (4, 4139980480), (5, 3311984384), (8, 2069990240), (10, 1655992192), (16, 1034995120), (20, 827996096), (32, 517497560), (40, 413998048), (64, 258748780), (80, 206999024), (128, 129374390), (160, 103499512), (256, 64687195), (320, 51749756), (557, 29730560), (640, 25874878), (1114, 14865280), (1280, 12937439), (2228, 7432640), (2785, 5946112), (4456, 3716320), (5570, 2973056), (8912, 1858160), (11140, 1486528), (17824, 929080), (22280, 743264), (23227, 712960), (35648, 464540), (44560, 371632), (46454, 356480), (71296, 232270), (89120, 185816), (92908, 178240), (116135, 142592)]