51222860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10369}}^1$

素因数の和:10410

約数の個数: 48

約数和(自身を含む): 121951200

約数和(自身を除く): 70728340

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 10369, 20738, 41476, 51845, 103690, 134797, 197011, 207380, 269594, 394022, 539188, 673985, 788044, 985055, 1347970, 1970110, 2561143, 2695940, 3940220, 5122286, 10244572, 12805715, 25611430, 51222860]

約数ペア:

[(1, 51222860), (2, 25611430), (4, 12805715), (5, 10244572), (10, 5122286), (13, 3940220), (19, 2695940), (20, 2561143), (26, 1970110), (38, 1347970), (52, 985055), (65, 788044), (76, 673985), (95, 539188), (130, 394022), (190, 269594), (247, 207380), (260, 197011), (380, 134797), (494, 103690), (988, 51845), (1235, 41476), (2470, 20738), (4940, 10369)]