142865720

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{11411}}^1$

素因数の和:11735

約数の個数: 32

約数和(自身を含む): 322503120

約数和(自身を除く): 179637400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2504, 3130, 6260, 11411, 12520, 22822, 45644, 57055, 91288, 114110, 228220, 456440, 3571643, 7143286, 14286572, 17858215, 28573144, 35716430, 71432860, 142865720]

約数ペア:

[(1, 142865720), (2, 71432860), (4, 35716430), (5, 28573144), (8, 17858215), (10, 14286572), (20, 7143286), (40, 3571643), (313, 456440), (626, 228220), (1252, 114110), (1565, 91288), (2504, 57055), (3130, 45644), (6260, 22822), (11411, 12520)]