40728650

素因数分解:

$2^1\times 5^2\times {\mathrm{647}}^1\times {\mathrm{1259}}^1$

素因数の和:1918

約数の個数: 24

約数和(自身を含む): 75932640

約数和(自身を除く): 35203990

約数列:

[1, 2, 5, 10, 25, 50, 647, 1259, 1294, 2518, 3235, 6295, 6470, 12590, 16175, 31475, 32350, 62950, 814573, 1629146, 4072865, 8145730, 20364325, 40728650]

約数ペア:

[(1, 40728650), (2, 20364325), (5, 8145730), (10, 4072865), (25, 1629146), (50, 814573), (647, 62950), (1259, 32350), (1294, 31475), (2518, 16175), (3235, 12590), (6295, 6470)]