40449280

素因数分解:

$2^8\times 5^1\times {\mathrm{31601}}^1$

素因数の和:31622

約数の個数: 36

約数和(自身を含む): 96891732

約数和(自身を除く): 56442452

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 31601, 63202, 126404, 158005, 252808, 316010, 505616, 632020, 1011232, 1264040, 2022464, 2528080, 4044928, 5056160, 8089856, 10112320, 20224640, 40449280]

約数ペア:

[(1, 40449280), (2, 20224640), (4, 10112320), (5, 8089856), (8, 5056160), (10, 4044928), (16, 2528080), (20, 2022464), (32, 1264040), (40, 1011232), (64, 632020), (80, 505616), (128, 316010), (160, 252808), (256, 158005), (320, 126404), (640, 63202), (1280, 31601)]