51220520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{7577}}^1$

素因数の和:7614

約数の個数: 48

約数和(自身を含む): 124809660

約数和(自身を除く): 73589140

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 7577, 15154, 30308, 37885, 60616, 75770, 98501, 151540, 197002, 303080, 394004, 492505, 788008, 985010, 1280513, 1970020, 2561026, 3940040, 5122052, 6402565, 10244104, 12805130, 25610260, 51220520]

約数ペア:

[(1, 51220520), (2, 25610260), (4, 12805130), (5, 10244104), (8, 6402565), (10, 5122052), (13, 3940040), (20, 2561026), (26, 1970020), (40, 1280513), (52, 985010), (65, 788008), (104, 492505), (130, 394004), (169, 303080), (260, 197002), (338, 151540), (520, 98501), (676, 75770), (845, 60616), (1352, 37885), (1690, 30308), (3380, 15154), (6760, 7577)]