54758920

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{13291}}^1$

素因数の和:13405

約数の個数: 32

約数和(自身を含む): 124413120

約数和(自身を除く): 69654200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 13291, 26582, 53164, 66455, 106328, 132910, 265820, 531640, 1368973, 2737946, 5475892, 6844865, 10951784, 13689730, 27379460, 54758920]

約数ペア:

[(1, 54758920), (2, 27379460), (4, 13689730), (5, 10951784), (8, 6844865), (10, 5475892), (20, 2737946), (40, 1368973), (103, 531640), (206, 265820), (412, 132910), (515, 106328), (824, 66455), (1030, 53164), (2060, 26582), (4120, 13291)]