51664660

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1\times {\mathrm{317}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 112991760

約数和(自身を除く): 61327100

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 281, 290, 317, 562, 580, 634, 1124, 1268, 1405, 1585, 2810, 3170, 5620, 6340, 8149, 9193, 16298, 18386, 32596, 36772, 40745, 45965, 81490, 89077, 91930, 162980, 178154, 183860, 356308, 445385, 890770, 1781540, 2583233, 5166466, 10332932, 12916165, 25832330, 51664660]

約数ペア:

[(1, 51664660), (2, 25832330), (4, 12916165), (5, 10332932), (10, 5166466), (20, 2583233), (29, 1781540), (58, 890770), (116, 445385), (145, 356308), (281, 183860), (290, 178154), (317, 162980), (562, 91930), (580, 89077), (634, 81490), (1124, 45965), (1268, 40745), (1405, 36772), (1585, 32596), (2810, 18386), (3170, 16298), (5620, 9193), (6340, 8149)]