15893960

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2017}}^1$

素因数の和:2225

約数の個数: 32

約数和(自身を含む): 35960760

約数和(自身を除く): 20066800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 2017, 3940, 4034, 7880, 8068, 10085, 16136, 20170, 40340, 80680, 397349, 794698, 1589396, 1986745, 3178792, 3973490, 7946980, 15893960]

約数ペア:

[(1, 15893960), (2, 7946980), (4, 3973490), (5, 3178792), (8, 1986745), (10, 1589396), (20, 794698), (40, 397349), (197, 80680), (394, 40340), (788, 20170), (985, 16136), (1576, 10085), (1970, 8068), (2017, 7880), (3940, 4034)]