25420860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{7433}}^1$

素因数の和:7467

約数の個数: 72

約数和(自身を含む): 81179280

約数和(自身を除く): 55758420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 7433, 14866, 22299, 29732, 37165, 44598, 66897, 74330, 89196, 111495, 133794, 141227, 148660, 222990, 267588, 282454, 334485, 423681, 445980, 564908, 668970, 706135, 847362, 1271043, 1337940, 1412270, 1694724, 2118405, 2542086, 2824540, 4236810, 5084172, 6355215, 8473620, 12710430, 25420860]

約数ペア:

[(1, 25420860), (2, 12710430), (3, 8473620), (4, 6355215), (5, 5084172), (6, 4236810), (9, 2824540), (10, 2542086), (12, 2118405), (15, 1694724), (18, 1412270), (19, 1337940), (20, 1271043), (30, 847362), (36, 706135), (38, 668970), (45, 564908), (57, 445980), (60, 423681), (76, 334485), (90, 282454), (95, 267588), (114, 222990), (171, 148660), (180, 141227), (190, 133794), (228, 111495), (285, 89196), (342, 74330), (380, 66897), (570, 44598), (684, 37165), (855, 29732), (1140, 22299), (1710, 14866), (3420, 7433)]