18116480

素因数分解:

$2^7\times 5^1\times {\mathrm{28307}}^1$

素因数の和:28326

約数の個数: 32

約数和(自身を含む): 43311240

約数和(自身を除く): 25194760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 28307, 56614, 113228, 141535, 226456, 283070, 452912, 566140, 905824, 1132280, 1811648, 2264560, 3623296, 4529120, 9058240, 18116480]

約数ペア:

[(1, 18116480), (2, 9058240), (4, 4529120), (5, 3623296), (8, 2264560), (10, 1811648), (16, 1132280), (20, 905824), (32, 566140), (40, 452912), (64, 283070), (80, 226456), (128, 141535), (160, 113228), (320, 56614), (640, 28307)]