156938840

素因数分解:

$2^3\times 5^1\times {\mathrm{3923471}}^1$

素因数の和:3923482

約数の個数: 16

約数和(自身を含む): 353112480

約数和(自身を除く): 196173640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3923471, 7846942, 15693884, 19617355, 31387768, 39234710, 78469420, 156938840]

約数ペア:

[(1, 156938840), (2, 78469420), (4, 39234710), (5, 31387768), (8, 19617355), (10, 15693884), (20, 7846942), (40, 3923471)]