28100030720

素因数分解:

$2^8\times 5^1\times {\mathrm{21953149}}^1$

素因数の和:21953170

約数の個数: 36

約数和(自身を含む): 67308357900

約数和(自身を除く): 39208327180

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 21953149, 43906298, 87812596, 109765745, 175625192, 219531490, 351250384, 439062980, 702500768, 878125960, 1405001536, 1756251920, 2810003072, 3512503840, 5620006144, 7025007680, 14050015360, 28100030720]

約数ペア:

[(1, 28100030720), (2, 14050015360), (4, 7025007680), (5, 5620006144), (8, 3512503840), (10, 2810003072), (16, 1756251920), (20, 1405001536), (32, 878125960), (40, 702500768), (64, 439062980), (80, 351250384), (128, 219531490), (160, 175625192), (256, 109765745), (320, 87812596), (640, 43906298), (1280, 21953149)]