28460900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{21893}}^1$

素因数の和:21920

約数の個数: 36

約数和(自身を含む): 66513972

約数和(自身を除く): 38053072

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 21893, 43786, 87572, 109465, 218930, 284609, 437860, 547325, 569218, 1094650, 1138436, 1423045, 2189300, 2846090, 5692180, 7115225, 14230450, 28460900]

約数ペア:

[(1, 28460900), (2, 14230450), (4, 7115225), (5, 5692180), (10, 2846090), (13, 2189300), (20, 1423045), (25, 1138436), (26, 1094650), (50, 569218), (52, 547325), (65, 437860), (100, 284609), (130, 218930), (260, 109465), (325, 87572), (650, 43786), (1300, 21893)]