129643960

素因数分解:

$2^3\times 5^1\times {\mathrm{761}}^1\times {\mathrm{4259}}^1$

素因数の和:5031

約数の個数: 32

約数和(自身を含む): 292150800

約数和(自身を除く): 162506840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 761, 1522, 3044, 3805, 4259, 6088, 7610, 8518, 15220, 17036, 21295, 30440, 34072, 42590, 85180, 170360, 3241099, 6482198, 12964396, 16205495, 25928792, 32410990, 64821980, 129643960]

約数ペア:

[(1, 129643960), (2, 64821980), (4, 32410990), (5, 25928792), (8, 16205495), (10, 12964396), (20, 6482198), (40, 3241099), (761, 170360), (1522, 85180), (3044, 42590), (3805, 34072), (4259, 30440), (6088, 21295), (7610, 17036), (8518, 15220)]