7946980

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2017}}^1$

素因数の和:2223

約数の個数: 24

約数和(自身を含む): 16781688

約数和(自身を除く): 8834708

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 2017, 3940, 4034, 8068, 10085, 20170, 40340, 397349, 794698, 1589396, 1986745, 3973490, 7946980]

約数ペア:

[(1, 7946980), (2, 3973490), (4, 1986745), (5, 1589396), (10, 794698), (20, 397349), (197, 40340), (394, 20170), (788, 10085), (985, 8068), (1970, 4034), (2017, 3940)]