156872920

素因数分解:

$2^3\times 5^1\times {\mathrm{3921823}}^1$

素因数の和:3921834

約数の個数: 16

約数和(自身を含む): 352964160

約数和(自身を除く): 196091240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3921823, 7843646, 15687292, 19609115, 31374584, 39218230, 78436460, 156872920]

約数ペア:

[(1, 156872920), (2, 78436460), (4, 39218230), (5, 31374584), (8, 19609115), (10, 15687292), (20, 7843646), (40, 3921823)]