156939432880

素因数分解:

$2^4\times 5^1\times {\mathrm{1961742911}}^1$

素因数の和:1961742924

約数の個数: 20

約数和(自身を含む): 364884181632

約数和(自身を除く): 207944748752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1961742911, 3923485822, 7846971644, 9808714555, 15693943288, 19617429110, 31387886576, 39234858220, 78469716440, 156939432880]

約数ペア:

[(1, 156939432880), (2, 78469716440), (4, 39234858220), (5, 31387886576), (8, 19617429110), (10, 15693943288), (16, 9808714555), (20, 7846971644), (40, 3923485822), (80, 1961742911)]