25569520

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7433}}^1$

素因数の和:7489

約数の個数: 40

約数和(自身を含む): 60839856

約数和(自身を除く): 35270336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 7433, 14866, 29732, 37165, 59464, 74330, 118928, 148660, 297320, 319619, 594640, 639238, 1278476, 1598095, 2556952, 3196190, 5113904, 6392380, 12784760, 25569520]

約数ペア:

[(1, 25569520), (2, 12784760), (4, 6392380), (5, 5113904), (8, 3196190), (10, 2556952), (16, 1598095), (20, 1278476), (40, 639238), (43, 594640), (80, 319619), (86, 297320), (172, 148660), (215, 118928), (344, 74330), (430, 59464), (688, 37165), (860, 29732), (1720, 14866), (3440, 7433)]