127883920

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{307}}^1$

素因数の和:488

約数の個数: 80

約数和(自身を含む): 307980288

約数和(自身を除く): 180096368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 127, 164, 205, 254, 307, 328, 410, 508, 614, 635, 656, 820, 1016, 1228, 1270, 1535, 1640, 2032, 2456, 2540, 3070, 3280, 4912, 5080, 5207, 6140, 10160, 10414, 12280, 12587, 20828, 24560, 25174, 26035, 38989, 41656, 50348, 52070, 62935, 77978, 83312, 100696, 104140, 125870, 155956, 194945, 201392, 208280, 251740, 311912, 389890, 416560, 503480, 623824, 779780, 1006960, 1559560, 1598549, 3119120, 3197098, 6394196, 7992745, 12788392, 15985490, 25576784, 31970980, 63941960, 127883920]

約数ペア:

[(1, 127883920), (2, 63941960), (4, 31970980), (5, 25576784), (8, 15985490), (10, 12788392), (16, 7992745), (20, 6394196), (40, 3197098), (41, 3119120), (80, 1598549), (82, 1559560), (127, 1006960), (164, 779780), (205, 623824), (254, 503480), (307, 416560), (328, 389890), (410, 311912), (508, 251740), (614, 208280), (635, 201392), (656, 194945), (820, 155956), (1016, 125870), (1228, 104140), (1270, 100696), (1535, 83312), (1640, 77978), (2032, 62935), (2456, 52070), (2540, 50348), (3070, 41656), (3280, 38989), (4912, 26035), (5080, 25174), (5207, 24560), (6140, 20828), (10160, 12587), (10414, 12280)]