66288920

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{13049}}^1$

素因数の和:13187

約数の個数: 32

約数和(自身を含む): 150336000

約数和(自身を除く): 84047080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 13049, 26098, 52196, 65245, 104392, 130490, 260980, 521960, 1657223, 3314446, 6628892, 8286115, 13257784, 16572230, 33144460, 66288920]

約数ペア:

[(1, 66288920), (2, 33144460), (4, 16572230), (5, 13257784), (8, 8286115), (10, 6628892), (20, 3314446), (40, 1657223), (127, 521960), (254, 260980), (508, 130490), (635, 104392), (1016, 65245), (1270, 52196), (2540, 26098), (5080, 13049)]