25121440

素因数分解:

$2^5\times 5^1\times {\mathrm{197}}^1\times {\mathrm{797}}^1$

素因数の和:1009

約数の個数: 48

約数和(自身を含む): 59725512

約数和(自身を除く): 34604072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 197, 394, 788, 797, 985, 1576, 1594, 1970, 3152, 3188, 3940, 3985, 6304, 6376, 7880, 7970, 12752, 15760, 15940, 25504, 31520, 31880, 63760, 127520, 157009, 314018, 628036, 785045, 1256072, 1570090, 2512144, 3140180, 5024288, 6280360, 12560720, 25121440]

約数ペア:

[(1, 25121440), (2, 12560720), (4, 6280360), (5, 5024288), (8, 3140180), (10, 2512144), (16, 1570090), (20, 1256072), (32, 785045), (40, 628036), (80, 314018), (160, 157009), (197, 127520), (394, 63760), (788, 31880), (797, 31520), (985, 25504), (1576, 15940), (1594, 15760), (1970, 12752), (3152, 7970), (3188, 7880), (3940, 6376), (3985, 6304)]