28963840

素因数分解:

$2^{10}\times 5^1\times {\mathrm{5657}}^1$

素因数の和:5682

約数の個数: 44

約数和(自身を含む): 69491556

約数和(自身を除く): 40527716

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 5657, 11314, 22628, 28285, 45256, 56570, 90512, 113140, 181024, 226280, 362048, 452560, 724096, 905120, 1448192, 1810240, 2896384, 3620480, 5792768, 7240960, 14481920, 28963840]

約数ペア:

[(1, 28963840), (2, 14481920), (4, 7240960), (5, 5792768), (8, 3620480), (10, 2896384), (16, 1810240), (20, 1448192), (32, 905120), (40, 724096), (64, 452560), (80, 362048), (128, 226280), (160, 181024), (256, 113140), (320, 90512), (512, 56570), (640, 45256), (1024, 28285), (1280, 22628), (2560, 11314), (5120, 5657)]