325120

素因数分解:

$2^9\times 5^1\times {\mathrm{127}}^1$

素因数の和:150

約数の個数: 40

約数和(自身を含む): 785664

約数和(自身を除く): 460544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 508, 512, 635, 640, 1016, 1270, 1280, 2032, 2540, 2560, 4064, 5080, 8128, 10160, 16256, 20320, 32512, 40640, 65024, 81280, 162560, 325120]

約数ペア:

[(1, 325120), (2, 162560), (4, 81280), (5, 65024), (8, 40640), (10, 32512), (16, 20320), (20, 16256), (32, 10160), (40, 8128), (64, 5080), (80, 4064), (127, 2560), (128, 2540), (160, 2032), (254, 1280), (256, 1270), (320, 1016), (508, 640), (512, 635)]