8587100

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{1997}}^1$

素因数の和:2054

約数の個数: 36

約数和(自身を含む): 19076904

約数和(自身を除く): 10489804

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 1997, 2150, 3994, 4300, 7988, 9985, 19970, 39940, 49925, 85871, 99850, 171742, 199700, 343484, 429355, 858710, 1717420, 2146775, 4293550, 8587100]

約数ペア:

[(1, 8587100), (2, 4293550), (4, 2146775), (5, 1717420), (10, 858710), (20, 429355), (25, 343484), (43, 199700), (50, 171742), (86, 99850), (100, 85871), (172, 49925), (215, 39940), (430, 19970), (860, 9985), (1075, 7988), (1997, 4300), (2150, 3994)]