28965100

素因数分解:

$2^2\times 5^2\times {\mathrm{163}}^1\times {\mathrm{1777}}^1$

素因数の和:1954

約数の個数: 36

約数和(自身を含む): 63275464

約数和(自身を除く): 34310364

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 163, 326, 652, 815, 1630, 1777, 3260, 3554, 4075, 7108, 8150, 8885, 16300, 17770, 35540, 44425, 88850, 177700, 289651, 579302, 1158604, 1448255, 2896510, 5793020, 7241275, 14482550, 28965100]

約数ペア:

[(1, 28965100), (2, 14482550), (4, 7241275), (5, 5793020), (10, 2896510), (20, 1448255), (25, 1158604), (50, 579302), (100, 289651), (163, 177700), (326, 88850), (652, 44425), (815, 35540), (1630, 17770), (1777, 16300), (3260, 8885), (3554, 8150), (4075, 7108)]