201387520

素因数分解:

$2^9\times 5^1\times {\mathrm{97}}^1\times {\mathrm{811}}^1$

素因数の和:931

約数の個数: 80

約数和(自身を含む): 488437488

約数和(自身を除く): 287049968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 128, 160, 194, 256, 320, 388, 485, 512, 640, 776, 811, 970, 1280, 1552, 1622, 1940, 2560, 3104, 3244, 3880, 4055, 6208, 6488, 7760, 8110, 12416, 12976, 15520, 16220, 24832, 25952, 31040, 32440, 49664, 51904, 62080, 64880, 78667, 103808, 124160, 129760, 157334, 207616, 248320, 259520, 314668, 393335, 415232, 519040, 629336, 786670, 1038080, 1258672, 1573340, 2076160, 2517344, 3146680, 5034688, 6293360, 10069376, 12586720, 20138752, 25173440, 40277504, 50346880, 100693760, 201387520]

約数ペア:

[(1, 201387520), (2, 100693760), (4, 50346880), (5, 40277504), (8, 25173440), (10, 20138752), (16, 12586720), (20, 10069376), (32, 6293360), (40, 5034688), (64, 3146680), (80, 2517344), (97, 2076160), (128, 1573340), (160, 1258672), (194, 1038080), (256, 786670), (320, 629336), (388, 519040), (485, 415232), (512, 393335), (640, 314668), (776, 259520), (811, 248320), (970, 207616), (1280, 157334), (1552, 129760), (1622, 124160), (1940, 103808), (2560, 78667), (3104, 64880), (3244, 62080), (3880, 51904), (4055, 49664), (6208, 32440), (6488, 31040), (7760, 25952), (8110, 24832), (12416, 16220), (12976, 15520)]