3943480

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{317}}^1$

素因数の和:639

約数の個数: 32

約数和(自身を含む): 8929440

約数和(自身を除く): 4985960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 317, 622, 634, 1244, 1268, 1555, 1585, 2488, 2536, 3110, 3170, 6220, 6340, 12440, 12680, 98587, 197174, 394348, 492935, 788696, 985870, 1971740, 3943480]

約数ペア:

[(1, 3943480), (2, 1971740), (4, 985870), (5, 788696), (8, 492935), (10, 394348), (20, 197174), (40, 98587), (311, 12680), (317, 12440), (622, 6340), (634, 6220), (1244, 3170), (1268, 3110), (1555, 2536), (1585, 2488)]