25685180

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{15473}}^1$

素因数の和:15565

約数の個数: 24

約数和(自身を含む): 54592272

約数和(自身を除く): 28907092

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 15473, 30946, 61892, 77365, 154730, 309460, 1284259, 2568518, 5137036, 6421295, 12842590, 25685180]

約数ペア:

[(1, 25685180), (2, 12842590), (4, 6421295), (5, 5137036), (10, 2568518), (20, 1284259), (83, 309460), (166, 154730), (332, 77365), (415, 61892), (830, 30946), (1660, 15473)]