220106240

素因数分解:

$2^9\times 5^1\times {\mathrm{127}}^1\times {\mathrm{677}}^1$

素因数の和:827

約数の個数: 80

約数和(自身を含む): 532680192

約数和(自身を除く): 312573952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 508, 512, 635, 640, 677, 1016, 1270, 1280, 1354, 2032, 2540, 2560, 2708, 3385, 4064, 5080, 5416, 6770, 8128, 10160, 10832, 13540, 16256, 20320, 21664, 27080, 32512, 40640, 43328, 54160, 65024, 81280, 85979, 86656, 108320, 162560, 171958, 173312, 216640, 325120, 343916, 346624, 429895, 433280, 687832, 859790, 866560, 1375664, 1719580, 1733120, 2751328, 3439160, 5502656, 6878320, 11005312, 13756640, 22010624, 27513280, 44021248, 55026560, 110053120, 220106240]

約数ペア:

[(1, 220106240), (2, 110053120), (4, 55026560), (5, 44021248), (8, 27513280), (10, 22010624), (16, 13756640), (20, 11005312), (32, 6878320), (40, 5502656), (64, 3439160), (80, 2751328), (127, 1733120), (128, 1719580), (160, 1375664), (254, 866560), (256, 859790), (320, 687832), (508, 433280), (512, 429895), (635, 346624), (640, 343916), (677, 325120), (1016, 216640), (1270, 173312), (1280, 171958), (1354, 162560), (2032, 108320), (2540, 86656), (2560, 85979), (2708, 81280), (3385, 65024), (4064, 54160), (5080, 43328), (5416, 40640), (6770, 32512), (8128, 27080), (10160, 21664), (10832, 20320), (13540, 16256)]