31970980

素因数分解:

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

素因数の和:484

約数の個数: 48

約数和(自身を含む): 69543936

約数和(自身を除く): 37572956

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 127, 164, 205, 254, 307, 410, 508, 614, 635, 820, 1228, 1270, 1535, 2540, 3070, 5207, 6140, 10414, 12587, 20828, 25174, 26035, 38989, 50348, 52070, 62935, 77978, 104140, 125870, 155956, 194945, 251740, 389890, 779780, 1598549, 3197098, 6394196, 7992745, 15985490, 31970980]

約数ペア:

[(1, 31970980), (2, 15985490), (4, 7992745), (5, 6394196), (10, 3197098), (20, 1598549), (41, 779780), (82, 389890), (127, 251740), (164, 194945), (205, 155956), (254, 125870), (307, 104140), (410, 77978), (508, 62935), (614, 52070), (635, 50348), (820, 38989), (1228, 26035), (1270, 25174), (1535, 20828), (2540, 12587), (3070, 10414), (5207, 6140)]