158096440

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{20063}}^1$

素因数の和:20271

約数の個数: 32

約数和(自身を含む): 357540480

約数和(自身を除く): 199444040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 20063, 40126, 80252, 100315, 160504, 200630, 401260, 802520, 3952411, 7904822, 15809644, 19762055, 31619288, 39524110, 79048220, 158096440]

約数ペア:

[(1, 158096440), (2, 79048220), (4, 39524110), (5, 31619288), (8, 19762055), (10, 15809644), (20, 7904822), (40, 3952411), (197, 802520), (394, 401260), (788, 200630), (985, 160504), (1576, 100315), (1970, 80252), (3940, 40126), (7880, 20063)]