51324260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{643}}^1$

素因数の和:972

約数の個数: 48

約数和(自身を含む): 116630976

約数和(自身を除く): 65306716

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 307, 614, 643, 1228, 1286, 1535, 2572, 3070, 3215, 3991, 6140, 6430, 7982, 8359, 12860, 15964, 16718, 19955, 33436, 39910, 41795, 79820, 83590, 167180, 197401, 394802, 789604, 987005, 1974010, 2566213, 3948020, 5132426, 10264852, 12831065, 25662130, 51324260]

約数ペア:

[(1, 51324260), (2, 25662130), (4, 12831065), (5, 10264852), (10, 5132426), (13, 3948020), (20, 2566213), (26, 1974010), (52, 987005), (65, 789604), (130, 394802), (260, 197401), (307, 167180), (614, 83590), (643, 79820), (1228, 41795), (1286, 39910), (1535, 33436), (2572, 19955), (3070, 16718), (3215, 15964), (3991, 12860), (6140, 8359), (6430, 7982)]