201986560

素因数分解:

$2^9\times 5^1\times {\mathrm{78901}}^1$

素因数の和:78924

約数の個数: 40

約数和(自身を含む): 484300476

約数和(自身を除く): 282313916

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 78901, 157802, 315604, 394505, 631208, 789010, 1262416, 1578020, 2524832, 3156040, 5049664, 6312080, 10099328, 12624160, 20198656, 25248320, 40397312, 50496640, 100993280, 201986560]

約数ペア:

[(1, 201986560), (2, 100993280), (4, 50496640), (5, 40397312), (8, 25248320), (10, 20198656), (16, 12624160), (20, 10099328), (32, 6312080), (40, 5049664), (64, 3156040), (80, 2524832), (128, 1578020), (160, 1262416), (256, 789010), (320, 631208), (512, 394505), (640, 315604), (1280, 157802), (2560, 78901)]