157132720

素因数分解:

$2^4\times 5^1\times {\mathrm{1964159}}^1$

素因数の和:1964172

約数の個数: 20

約数和(自身を含む): 365333760

約数和(自身を除く): 208201040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1964159, 3928318, 7856636, 9820795, 15713272, 19641590, 31426544, 39283180, 78566360, 157132720]

約数ペア:

[(1, 157132720), (2, 78566360), (4, 39283180), (5, 31426544), (8, 19641590), (10, 15713272), (16, 9820795), (20, 7856636), (40, 3928318), (80, 1964159)]