49517920

素因数分解:

$2^5\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1571}}^1$

素因数の和:1783

約数の個数: 48

約数和(自身を含む): 117654768

約数和(自身を除く): 68136848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 197, 394, 788, 985, 1571, 1576, 1970, 3142, 3152, 3940, 6284, 6304, 7855, 7880, 12568, 15710, 15760, 25136, 31420, 31520, 50272, 62840, 125680, 251360, 309487, 618974, 1237948, 1547435, 2475896, 3094870, 4951792, 6189740, 9903584, 12379480, 24758960, 49517920]

約数ペア:

[(1, 49517920), (2, 24758960), (4, 12379480), (5, 9903584), (8, 6189740), (10, 4951792), (16, 3094870), (20, 2475896), (32, 1547435), (40, 1237948), (80, 618974), (160, 309487), (197, 251360), (394, 125680), (788, 62840), (985, 50272), (1571, 31520), (1576, 31420), (1970, 25136), (3142, 15760), (3152, 15710), (3940, 12568), (6284, 7880), (6304, 7855)]