28996480

素因数分解:

$2^7\times 5^1\times {\mathrm{45307}}^1$

素因数の和:45326

約数の個数: 32

約数和(自身を含む): 69321240

約数和(自身を除く): 40324760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 45307, 90614, 181228, 226535, 362456, 453070, 724912, 906140, 1449824, 1812280, 2899648, 3624560, 5799296, 7249120, 14498240, 28996480]

約数ペア:

[(1, 28996480), (2, 14498240), (4, 7249120), (5, 5799296), (8, 3624560), (10, 2899648), (16, 1812280), (20, 1449824), (32, 906140), (40, 724912), (64, 453070), (80, 362456), (128, 226535), (160, 181228), (320, 90614), (640, 45307)]