204842240

素因数分解:

$2^8\times 5^1\times {\mathrm{160033}}^1$

素因数の和:160054

約数の個数: 36

約数和(自身を含む): 490664244

約数和(自身を除く): 285822004

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 160033, 320066, 640132, 800165, 1280264, 1600330, 2560528, 3200660, 5121056, 6401320, 10242112, 12802640, 20484224, 25605280, 40968448, 51210560, 102421120, 204842240]

約数ペア:

[(1, 204842240), (2, 102421120), (4, 51210560), (5, 40968448), (8, 25605280), (10, 20484224), (16, 12802640), (20, 10242112), (32, 6401320), (40, 5121056), (64, 3200660), (80, 2560528), (128, 1600330), (160, 1280264), (256, 800165), (320, 640132), (640, 320066), (1280, 160033)]