164506360

素因数分解:

$2^3\times 5^1\times {\mathrm{1031}}^1\times {\mathrm{3989}}^1$

素因数の和:5031

約数の個数: 32

約数和(自身を含む): 370591200

約数和(自身を除く): 206084840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1031, 2062, 3989, 4124, 5155, 7978, 8248, 10310, 15956, 19945, 20620, 31912, 39890, 41240, 79780, 159560, 4112659, 8225318, 16450636, 20563295, 32901272, 41126590, 82253180, 164506360]

約数ペア:

[(1, 164506360), (2, 82253180), (4, 41126590), (5, 32901272), (8, 20563295), (10, 16450636), (20, 8225318), (40, 4112659), (1031, 159560), (2062, 79780), (3989, 41240), (4124, 39890), (5155, 31912), (7978, 20620), (8248, 19945), (10310, 15956)]