127582160

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{401}}^1$

素因数の和:552

約数の個数: 80

約数和(自身を含む): 307761552

約数和(自身を除く): 180179392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 97, 164, 194, 205, 328, 388, 401, 410, 485, 656, 776, 802, 820, 970, 1552, 1604, 1640, 1940, 2005, 3208, 3280, 3880, 3977, 4010, 6416, 7760, 7954, 8020, 15908, 16040, 16441, 19885, 31816, 32080, 32882, 38897, 39770, 63632, 65764, 77794, 79540, 82205, 131528, 155588, 159080, 164410, 194485, 263056, 311176, 318160, 328820, 388970, 622352, 657640, 777940, 1315280, 1555880, 1594777, 3111760, 3189554, 6379108, 7973885, 12758216, 15947770, 25516432, 31895540, 63791080, 127582160]

約数ペア:

[(1, 127582160), (2, 63791080), (4, 31895540), (5, 25516432), (8, 15947770), (10, 12758216), (16, 7973885), (20, 6379108), (40, 3189554), (41, 3111760), (80, 1594777), (82, 1555880), (97, 1315280), (164, 777940), (194, 657640), (205, 622352), (328, 388970), (388, 328820), (401, 318160), (410, 311176), (485, 263056), (656, 194485), (776, 164410), (802, 159080), (820, 155588), (970, 131528), (1552, 82205), (1604, 79540), (1640, 77794), (1940, 65764), (2005, 63632), (3208, 39770), (3280, 38897), (3880, 32882), (3977, 32080), (4010, 31816), (6416, 19885), (7760, 16441), (7954, 16040), (8020, 15908)]