133416280

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{16931}}^1$

素因数の和:17139

約数の個数: 32

約数和(自身を含む): 301728240

約数和(自身を除く): 168311960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 16931, 33862, 67724, 84655, 135448, 169310, 338620, 677240, 3335407, 6670814, 13341628, 16677035, 26683256, 33354070, 66708140, 133416280]

約数ペア:

[(1, 133416280), (2, 66708140), (4, 33354070), (5, 26683256), (8, 16677035), (10, 13341628), (20, 6670814), (40, 3335407), (197, 677240), (394, 338620), (788, 169310), (985, 135448), (1576, 84655), (1970, 67724), (3940, 33862), (7880, 16931)]