211068920

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{41549}}^1$

素因数の和:41687

約数の個数: 32

約数和(自身を含む): 478656000

約数和(自身を除く): 267587080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 41549, 83098, 166196, 207745, 332392, 415490, 830980, 1661960, 5276723, 10553446, 21106892, 26383615, 42213784, 52767230, 105534460, 211068920]

約数ペア:

[(1, 211068920), (2, 105534460), (4, 52767230), (5, 42213784), (8, 26383615), (10, 21106892), (20, 10553446), (40, 5276723), (127, 1661960), (254, 830980), (508, 415490), (635, 332392), (1016, 207745), (1270, 166196), (2540, 83098), (5080, 41549)]