40209280

素因数分解:

$2^7\times 5^1\times {\mathrm{62827}}^1$

素因数の和:62846

約数の個数: 32

約数和(自身を含む): 96126840

約数和(自身を除く): 55917560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 62827, 125654, 251308, 314135, 502616, 628270, 1005232, 1256540, 2010464, 2513080, 4020928, 5026160, 8041856, 10052320, 20104640, 40209280]

約数ペア:

[(1, 40209280), (2, 20104640), (4, 10052320), (5, 8041856), (8, 5026160), (10, 4020928), (16, 2513080), (20, 2010464), (32, 1256540), (40, 1005232), (64, 628270), (80, 502616), (128, 314135), (160, 251308), (320, 125654), (640, 62827)]