128425900

素因数分解:

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

素因数の和:15570

約数の個数: 36

約数和(自身を含む): 282060072

約数和(自身を除く): 153634172

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 83, 100, 166, 332, 415, 830, 1660, 2075, 4150, 8300, 15473, 30946, 61892, 77365, 154730, 309460, 386825, 773650, 1284259, 1547300, 2568518, 5137036, 6421295, 12842590, 25685180, 32106475, 64212950, 128425900]

約数ペア:

[(1, 128425900), (2, 64212950), (4, 32106475), (5, 25685180), (10, 12842590), (20, 6421295), (25, 5137036), (50, 2568518), (83, 1547300), (100, 1284259), (166, 773650), (332, 386825), (415, 309460), (830, 154730), (1660, 77365), (2075, 61892), (4150, 30946), (8300, 15473)]