650240

素因数分解:

$2^{10}\times 5^1\times {\mathrm{127}}^1$

素因数の和:152

約数の個数: 44

約数和(自身を含む): 1572096

約数和(自身を除く): 921856

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, 1024, 1270, 1280, 2032, 2540, 2560, 4064, 5080, 5120, 8128, 10160, 16256, 20320, 32512, 40640, 65024, 81280, 130048, 162560, 325120, 650240]

約数ペア:

[(1, 650240), (2, 325120), (4, 162560), (5, 130048), (8, 81280), (10, 65024), (16, 40640), (20, 32512), (32, 20320), (40, 16256), (64, 10160), (80, 8128), (127, 5120), (128, 5080), (160, 4064), (254, 2560), (256, 2540), (320, 2032), (508, 1280), (512, 1270), (635, 1024), (640, 1016)]