28463020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{337}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 62008128

約数和(自身を除く): 33545108

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 103, 164, 205, 206, 337, 410, 412, 515, 674, 820, 1030, 1348, 1685, 2060, 3370, 4223, 6740, 8446, 13817, 16892, 21115, 27634, 34711, 42230, 55268, 69085, 69422, 84460, 138170, 138844, 173555, 276340, 347110, 694220, 1423151, 2846302, 5692604, 7115755, 14231510, 28463020]

約数ペア:

[(1, 28463020), (2, 14231510), (4, 7115755), (5, 5692604), (10, 2846302), (20, 1423151), (41, 694220), (82, 347110), (103, 276340), (164, 173555), (205, 138844), (206, 138170), (337, 84460), (410, 69422), (412, 69085), (515, 55268), (674, 42230), (820, 34711), (1030, 27634), (1348, 21115), (1685, 16892), (2060, 13817), (3370, 8446), (4223, 6740)]