28780480

素因数分解:

$2^6\times 5^1\times {\mathrm{89939}}^1$

素因数の和:89956

約数の個数: 28

約数和(自身を含む): 68534280

約数和(自身を除く): 39753800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 89939, 179878, 359756, 449695, 719512, 899390, 1439024, 1798780, 2878048, 3597560, 5756096, 7195120, 14390240, 28780480]

約数ペア:

[(1, 28780480), (2, 14390240), (4, 7195120), (5, 5756096), (8, 3597560), (10, 2878048), (16, 1798780), (20, 1439024), (32, 899390), (40, 719512), (64, 449695), (80, 359756), (160, 179878), (320, 89939)]