65641900

素因数分解:

$2^2\times 5^2\times {\mathrm{103}}^1\times {\mathrm{6373}}^1$

素因数の和:6490

約数の個数: 36

約数和(自身を含む): 143848432

約数和(自身を除く): 78206532

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 103, 206, 412, 515, 1030, 2060, 2575, 5150, 6373, 10300, 12746, 25492, 31865, 63730, 127460, 159325, 318650, 637300, 656419, 1312838, 2625676, 3282095, 6564190, 13128380, 16410475, 32820950, 65641900]

約数ペア:

[(1, 65641900), (2, 32820950), (4, 16410475), (5, 13128380), (10, 6564190), (20, 3282095), (25, 2625676), (50, 1312838), (100, 656419), (103, 637300), (206, 318650), (412, 159325), (515, 127460), (1030, 63730), (2060, 31865), (2575, 25492), (5150, 12746), (6373, 10300)]