201522560

素因数分解:

$2^7\times 5^1\times {\mathrm{314879}}^1$

素因数の和:314898

約数の個数: 32

約数和(自身を含む): 481766400

約数和(自身を除く): 280243840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 314879, 629758, 1259516, 1574395, 2519032, 3148790, 5038064, 6297580, 10076128, 12595160, 20152256, 25190320, 40304512, 50380640, 100761280, 201522560]

約数ペア:

[(1, 201522560), (2, 100761280), (4, 50380640), (5, 40304512), (8, 25190320), (10, 20152256), (16, 12595160), (20, 10076128), (32, 6297580), (40, 5038064), (64, 3148790), (80, 2519032), (128, 1574395), (160, 1259516), (320, 629758), (640, 314879)]